Remove NuGet.Framework deployment hacks

To work around dotnet#61454
we were deploying NuGet.Frameworks versions in various places; now
that we're doing MSBuildWorkspace builds in the build host that
has a separate deployment folder we don't need this anymore.

eng/Versions.props

@@ -222,17 +222,6 @@
     <RoslynBuildUtilVersion>0.9.8-beta</RoslynBuildUtilVersion>
     <RoslynDependenciesOptimizationDataVersion>3.0.0-beta2-19053-01</RoslynDependenciesOptimizationDataVersion>
     <RoslynDiagnosticsAnalyzersVersion>$(RoslynDiagnosticsNugetPackageVersion)</RoslynDiagnosticsAnalyzersVersion>
-    <!--
-      The package "Microsoft.CodeAnalysis.Analyzer.Testing" brings in an earlier version of these NuGet dependencies than
-      is expected by the NET SDK used in the Workspace.MSBuild UnitTests. In order to test against the same verion of NuGet
-      as our configured SDK, we must set the version to be the same.
-     -->
-    <NuGetCommonVersion>6.8.0-rc.112</NuGetCommonVersion>
-    <NuGetConfigurationVersion>$(NuGetCommonVersion)</NuGetConfigurationVersion>
-    <NuGetFrameworksVersion>$(NuGetCommonVersion)</NuGetFrameworksVersion>
-    <NuGetPackagingVersion>$(NuGetCommonVersion)</NuGetPackagingVersion>
-    <NuGetProtocolVersion>$(NuGetCommonVersion)</NuGetProtocolVersion>
-    <NuGetVersioningVersion>$(NuGetCommonVersion)</NuGetVersioningVersion>
     <RoslynToolsVSIXExpInstallerVersion>1.1.0-beta3.22474.1</RoslynToolsVSIXExpInstallerVersion>
     <RoslynMicrosoftVisualStudioExtensionManagerVersion>0.0.4</RoslynMicrosoftVisualStudioExtensionManagerVersion>
     <SourceBrowserVersion>1.0.21</SourceBrowserVersion>

src/Features/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Microsoft.CodeAnalysis.LanguageServer.csproj

@@ -76,7 +76,6 @@
     <PackageReference Include="Microsoft.VisualStudio.Composition" Version="$(MicrosoftVisualStudioCompositionVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.LanguageServer.Protocol" Version="$(MicrosoftVisualStudioLanguageServerProtocolVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.Razor.ExternalAccess.RoslynWorkspace" Version="$(MicrosoftAspNetCoreRazorExternalAccessRoslynWorkspaceVersion)" />
-    <PackageReference Include="NuGet.Frameworks" Version="$(NuGetFrameworksVersion)" />
     <PackageReference Include="StreamJsonRpc" Version="$(StreamJsonRpcVersion)" />
     <PackageReference Include="System.CommandLine" Version="$(SystemCommandLineVersion)" />
   </ItemGroup>

src/Workspaces/MSBuildTest/Microsoft.CodeAnalysis.Workspaces.MSBuild.UnitTests.csproj

@@ -31,17 +31,6 @@
     <PackageReference Include="Microsoft.Build.Locator" Version="$(MicrosoftBuildLocatorVersion)" />
     <PackageReference Include="Microsoft.Build.Tasks.Core" Version="$(RefOnlyMicrosoftBuildTasksCoreVersion)" ExcludeAssets="Runtime" PrivateAssets="All" />
     <PackageReference Include="System.Drawing.Common" Version="$(SystemDrawingCommonVersion)" />
-
-    <!--
-      The package "Microsoft.CodeAnalysis.Analyzer.Testing" brings in a lower version of these NuGet dependencies than is expected by the
-      NET SDK. In order to test against the same verion of NuGet as our configured SDK, we must set the version to be the same.
-     -->
-    <PackageReference Include="NuGet.Common" Version="$(NuGetCommonVersion)" />
-    <PackageReference Include="NuGet.Configuration" Version="$(NuGetConfigurationVersion)" />
-    <PackageReference Include="NuGet.Frameworks" Version="$(NuGetFrameworksVersion)" />
-    <PackageReference Include="NuGet.Packaging" Version="$(NuGetPackagingVersion)" />
-    <PackageReference Include="NuGet.Protocol" Version="$(NuGetProtocolVersion)" />
-    <PackageReference Include="NuGet.Versioning" Version="$(NuGetVersioningVersion)" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="System.Xaml" Condition="$(TargetFramework) == 'net472'">