Bring samples and templates up to date with each other.

I'm spreading goodness both directions so that the best of both are everywhere, and all copies of these files are identical.

src/Samples/CSharp/Analyzers/CSharpAnalyzers/CSharpAnalyzers/tools/uninstall.ps1

@@ -51,7 +51,14 @@ foreach($analyzersPath in $analyzersPaths)
         {
             if($project.Object.AnalyzerReferences)
             {
-                $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName)
+                try
+                {
+                    $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName)
+                }
+                catch
+                {
+
+                }
             }
         }
     }

src/Samples/VisualBasic/Analyzers/BasicAnalyzers/BasicAnalyzers/tools/uninstall.ps1

@@ -51,7 +51,14 @@ foreach($analyzersPath in $analyzersPaths)
         {
             if($project.Object.AnalyzerReferences)
             {
-                $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName)
+                try
+                {
+                    $project.Object.AnalyzerReferences.Remove($analyzerFilePath.FullName)
+                }
+                catch
+                {
+
+                }
             }
         }
     }

src/Setup/Templates/CSharp/Diagnostic/Analyzer/install.ps1

 param($installPath, $toolsPath, $package, $project)
 
+if($project.Object.SupportsPackageDependencyResolution)
+{
+    if($project.Object.SupportsPackageDependencyResolution())
+    {
+        # Do not install analyzers via install.ps1, instead let the project system handle it.
+        return
+    }
+}
+
 $analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve
 
 foreach($analyzersPath in $analyzersPaths)
 {
-    # Install the language agnostic analyzers.
     if (Test-Path $analyzersPath)
     {
+        # Install the language agnostic analyzers.
         foreach ($analyzerFilePath in Get-ChildItem $analyzersPath -Filter *.dll)
         {
             if($project.Object.AnalyzerReferences)

src/Setup/Templates/CSharp/Diagnostic/Analyzer/uninstall.ps1

 param($installPath, $toolsPath, $package, $project)
 
+if($project.Object.SupportsPackageDependencyResolution)
+{
+    if($project.Object.SupportsPackageDependencyResolution())
+    {
+        # Do not uninstall analyzers via uninstall.ps1, instead let the project system handle it.
+        return
+    }
+}
+
 $analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve
 
 foreach($analyzersPath in $analyzersPaths)

src/Setup/Templates/VisualBasic/Diagnostic/Analyzer/tools/install.ps1

 param($installPath, $toolsPath, $package, $project)
 
+if($project.Object.SupportsPackageDependencyResolution)
+{
+    if($project.Object.SupportsPackageDependencyResolution())
+    {
+        # Do not install analyzers via install.ps1, instead let the project system handle it.
+        return
+    }
+}
+
 $analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve
 
 foreach($analyzersPath in $analyzersPaths)
 {
-    # Install the language agnostic analyzers.
     if (Test-Path $analyzersPath)
     {
+        # Install the language agnostic analyzers.
         foreach ($analyzerFilePath in Get-ChildItem $analyzersPath -Filter *.dll)
         {
             if($project.Object.AnalyzerReferences)

src/Setup/Templates/VisualBasic/Diagnostic/Analyzer/tools/uninstall.ps1

 param($installPath, $toolsPath, $package, $project)
 
+if($project.Object.SupportsPackageDependencyResolution)
+{
+    if($project.Object.SupportsPackageDependencyResolution())
+    {
+        # Do not uninstall analyzers via uninstall.ps1, instead let the project system handle it.
+        return
+    }
+}
+
 $analyzersPaths = Join-Path (Join-Path (Split-Path -Path $toolsPath -Parent) "analyzers") * -Resolve
 
 foreach($analyzersPath in $analyzersPaths)