STYLE: Remove IdentifierType template argument from VectorContainer uses

The index type (`ElementIdentifier`) of `itk::VectorContainer` is already
`itk::SizeValueType` by default, and `itk::IdentifierType` is just an alias of
`itk::SizeValueType`.

Modules/Core/Mesh/include/itkMesh.h

@@ -184,7 +184,7 @@ class ITK_TEMPLATE_EXPORT Mesh : public PointSet<TPixelType, VDimension, TMeshTr
   using CellDataContainer = typename MeshTraits::CellDataContainer;
 
   /** For improving Python support for Triangle Meshes **/
-  using CellsVectorContainer = typename itk::VectorContainer<IdentifierType, IdentifierType>;
+  using CellsVectorContainer = typename itk::VectorContainer<IdentifierType>;
   using CellsVectorContainerPointer = typename CellsVectorContainer::Pointer;
 
   /** Used to support geometric operations on the toolkit. */

Modules/Core/SpatialObjects/include/itkBlobSpatialObject.h

@@ -64,7 +64,7 @@ class ITK_TEMPLATE_EXPORT BlobSpatialObject : public PointBasedSpatialObject<TDi
   using typename Superclass::SpatialObjectPointType;
   using typename Superclass::TransformType;
   using typename Superclass::BoundingBoxType;
-  using PointContainerType = VectorContainer<IdentifierType, PointType>;
+  using PointContainerType = VectorContainer<PointType>;
   using PointContainerPointer = SmartPointer<PointContainerType>;
 
   /** Method for creation through the object factory. */

Modules/Core/SpatialObjects/include/itkContourSpatialObject.h

@@ -87,7 +87,7 @@ class ITK_TEMPLATE_EXPORT ContourSpatialObject
   using typename Superclass::PointType;
   using typename Superclass::TransformType;
   using typename Superclass::BoundingBoxType;
-  using PointContainerType = VectorContainer<IdentifierType, PointType>;
+  using PointContainerType = VectorContainer<PointType>;
   using PointContainerPointer = SmartPointer<PointContainerType>;
 
   using InterpolationMethodEnum = ContourSpatialObjectEnums::InterpolationMethod;

Modules/Core/SpatialObjects/include/itkDTITubeSpatialObject.h

@@ -56,7 +56,7 @@ class ITK_TEMPLATE_EXPORT DTITubeSpatialObject
   using typename Superclass::PointType;
   using typename Superclass::TransformType;
   using typename Superclass::SpatialObjectPointType;
-  using PointContainerType = VectorContainer<IdentifierType, PointType>;
+  using PointContainerType = VectorContainer<PointType>;
   using PointContainerPointer = SmartPointer<PointContainerType>;
   using typename Superclass::VectorType;
   using typename Superclass::CovariantVectorType;

Modules/Core/SpatialObjects/include/itkEllipseSpatialObject.h

@@ -49,7 +49,7 @@ class ITK_TEMPLATE_EXPORT EllipseSpatialObject : public SpatialObject<TDimension
   using typename Superclass::PointType;
   using typename Superclass::TransformType;
   using typename Superclass::BoundingBoxType;
-  using PointContainerType = VectorContainer<IdentifierType, PointType>;
+  using PointContainerType = VectorContainer<PointType>;
   using PointContainerPointer = SmartPointer<PointContainerType>;
 
   using ArrayType = FixedArray<double, TDimension>;

Modules/Core/SpatialObjects/include/itkLandmarkSpatialObject.h

@@ -54,7 +54,7 @@ class ITK_TEMPLATE_EXPORT LandmarkSpatialObject : public PointBasedSpatialObject
   using typename Superclass::PointType;
   using typename Superclass::TransformType;
   using typename Superclass::BoundingBoxType;
-  using PointContainerType = VectorContainer<IdentifierType, PointType>;
+  using PointContainerType = VectorContainer<PointType>;
   using PointContainerPointer = SmartPointer<PointContainerType>;
 
   /** Method for creation through the object factory. */

Modules/Core/SpatialObjects/include/itkLineSpatialObject.h

@@ -60,7 +60,7 @@ class ITK_TEMPLATE_EXPORT LineSpatialObject
   using typename Superclass::PointType;
   using typename Superclass::TransformType;
   using typename Superclass::BoundingBoxType;
-  using PointContainerType = VectorContainer<IdentifierType, PointType>;
+  using PointContainerType = VectorContainer<PointType>;
   using PointContainerPointer = SmartPointer<PointContainerType>;
 
   /** Method for creation through the object factory. */

Modules/Core/SpatialObjects/include/itkMeshSpatialObject.h

@@ -53,7 +53,7 @@ class ITK_TEMPLATE_EXPORT MeshSpatialObject : public SpatialObject<TMesh::PointD
   using typename Superclass::PointType;
   using typename Superclass::BoundingBoxType;
 
-  using PointContainerType = VectorContainer<IdentifierType, PointType>;
+  using PointContainerType = VectorContainer<PointType>;
   using PointContainerPointer = typename PointContainerType::Pointer;
 
   /** Method for creation through the object factory. */

Modules/Core/SpatialObjects/include/itkSpatialObject.h

@@ -101,7 +101,7 @@ class ITK_TEMPLATE_EXPORT SpatialObject : public DataObject
   using TransformPointer = typename TransformType::Pointer;
   using TransformConstPointer = const TransformType *;
 
-  using VectorContainerType = VectorContainer<IdentifierType, PointType>;
+  using VectorContainerType = VectorContainer<PointType>;
 
   using BoundingBoxType = BoundingBox<IdentifierType, VDimension, ScalarType, VectorContainerType>;
   using BoundingBoxPointer = typename BoundingBoxType::Pointer;

Modules/Core/SpatialObjects/include/itkSurfaceSpatialObject.h

@@ -58,7 +58,7 @@ class ITK_TEMPLATE_EXPORT SurfaceSpatialObject
   using typename Superclass::BoundingBoxType;
   using typename Superclass::CovariantVectorType;
 
-  using PointContainerType = VectorContainer<IdentifierType, PointType>;
+  using PointContainerType = VectorContainer<PointType>;
   using PointContainerPointer = SmartPointer<PointContainerType>;
 
   /** Method for creation through the object factory. */

Modules/Core/SpatialObjects/include/itkTubeSpatialObject.h

@@ -57,7 +57,7 @@ class ITK_TEMPLATE_EXPORT TubeSpatialObject : public PointBasedSpatialObject<TDi
   using typename Superclass::PointType;
   using typename Superclass::TransformType;
   using typename Superclass::SpatialObjectPointType;
-  using PointContainerType = VectorContainer<IdentifierType, PointType>;
+  using PointContainerType = VectorContainer<PointType>;
   using PointContainerPointer = SmartPointer<PointContainerType>;
   using typename Superclass::VectorType;
   using typename Superclass::CovariantVectorType;

Modules/Filtering/FastMarching/include/itkFastMarchingExtensionImageFilterBase.h

@@ -82,7 +82,7 @@ class ITK_TEMPLATE_EXPORT FastMarchingExtensionImageFilterBase : public FastMarc
   /** AuxVarType type alias support */
   using AuxValueType = TAuxValue;
   using AuxValueVectorType = Vector<AuxValueType, AuxDimension>;
-  using AuxValueContainerType = VectorContainer<IdentifierType, AuxValueVectorType>;
+  using AuxValueContainerType = VectorContainer<AuxValueVectorType>;
 
   using AuxValueContainerPointer = typename AuxValueContainerType::Pointer;
   using AuxValueContainerConstIterator = typename AuxValueContainerType::ConstIterator;

Modules/Filtering/FastMarching/include/itkFastMarchingTraits.h

@@ -60,7 +60,7 @@ class FastMarchingTraitsBase
   using OutputPixelType = typename OutputDomainType::PixelType;
 
   using NodePairType = NodePair<NodeType, OutputPixelType>;
-  using NodePairContainerType = VectorContainer<IdentifierType, NodePairType>;
+  using NodePairContainerType = VectorContainer<NodePairType>;
   using NodePairContainerPointer = typename NodePairContainerType::Pointer;
   using NodePairContainerIterator = typename NodePairContainerType::Iterator;
   using NodePairContainerConstIterator = typename NodePairContainerType::ConstIterator;

Modules/Registration/Common/include/itkPointsLocator.h

@@ -38,7 +38,7 @@ namespace itk
  *
  * \ingroup ITKRegistrationCommon
  */
-template <typename TPointsContainer = VectorContainer<IdentifierType, Point<float, 3>>>
+template <typename TPointsContainer = VectorContainer<Point<float, 3>>>
 class ITK_TEMPLATE_EXPORT PointsLocator : public Object
 {
 public:

Modules/Registration/Metricsv4/test/itkEuclideanDistancePointSetMetricTest3.cxx

@@ -34,7 +34,7 @@ itkEuclideanDistancePointSetMetricTest3Run(double distanceThreshold)
   using PointSetType = itk::PointSet<float, Dimension>;
   using PointType = typename PointSetType::PointType;
   using IdentifierType = itk::IdentifierType;
-  using PointsContainerType = itk::VectorContainer<IdentifierType, PointType>;
+  using PointsContainerType = itk::VectorContainer<PointType>;
   using PointsLocatorType = itk::PointsLocator<PointsContainerType>;
   auto pointsLocator = PointsLocatorType::New();