fix(website): fix dangling links

src/main/hugo/content/explanation/pathfinding/_index.md

@@ -6,7 +6,7 @@ summary = "Strategies to navigate the environment."
 +++
 
 This section explains the pathfinding strategies and algorithms of Alchemist.
-Instructions on how to exercise them are available [here](/howtos/simulation/pathfinding).
+Instructions on how to exercise them are available [here](/howtos/simulation/environment/pathfinding).
 
 ## Navigation graphs
 

src/main/hugo/content/howtos/simulation/environment/maps/_index.md

@@ -44,52 +44,3 @@ We prepared [a dedicated page](../../deploy/gps) on the argument
 {{% notice tip "Navigate nodes in map environment" %}}
 We prepared [a dedicated page](../../program/move-on-maps/) on the argument
 {{% /notice %}}
-
-
-
-## Navigation
-
----
-
-![indoor simulation](indoor_simulation.png)
-
-Indoor environments
-(bidimensional spaces with obstacles)
-can be generated from images by leveraging
-{{% api package="model.implementations.environments" class="ImageEnvironment" %}},
-which loads the map as raster image from file,
-interpreting the black pixels as obstacles
-(wall-like areas not accessible to nodes).
-Color of pixels that represents obstacles can be set to
-every color with a constructor's parameter, black is default.
-
-By default, each pixel is considered as a 1x1 block.
-As a consequence, a 1200x600 image with a vertical line of black pixels at coordinate 500 will be interpreted as a single
-obstacle of size 1x600 starting at coordinate (500, 0).
-It is possible to scale up or down the size of the environment by acting on the zoom parameter of
-{{% api package="model.implementations.environments" class="ImageEnvironment" %}},
-as well as changing the initial coordinates.
-
-## Examples
-
-{{% projectimage "alchemist-cognitive-agents/src/test/resources/images/multiple-exits.png" %}}
-{{< code path="alchemist-cognitive-agents/src/test/resources/multiple-exits.yml" >}}
-
----
-
-{{% projectimage "alchemist-cognitive-agents/src/test/resources/images/obstacles.png" %}}
-{{< code path="alchemist-cognitive-agents/src/test/resources/obstacle-avoidance.yml" >}}
-
----
-
-{{% projectimage "src/test/resources/planimetry.png" %}}
-{{< code path="src/test/resources/website-snippets/steering-actions.yml" >}}
-
----
-
-{{% projectimage "src/test/resources/chiaravalle.png" %}}
-
-* Direct reference to the image
-  {{< code path="src/test/resources/website-snippets/walk-church.yml" >}}
-* Search for the image in the file system via Kotlin
-  {{< code path="src/test/resources/website-snippets/variables-export.yml" >}}