Move csharp decompiler service down to features so it is available in vscode

THIRD-PARTY-NOTICES.txt

@@ -122,4 +122,27 @@ Permission is hereby granted, free of charge, to any person obtaining a copy of
 
 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ICSharpCode.Decompiler
+-------------------------------------
+
+https://github.com/icsharpcode/ILSpy
+
+Copyright (c) 2011-2023 AlphaSierraPapa for the ILSpy team
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

src/EditorFeatures/CSharp/CSharpEditorResources.resx

@@ -132,45 +132,6 @@
   <data name="Split_string" xml:space="preserve">
     <value>Split string</value>
   </data>
-  <data name="Chosen_version_0" xml:space="preserve">
-    <value>Chosen version: '{0}'</value>
-  </data>
-  <data name="Could_not_find_by_name_0" xml:space="preserve">
-    <value>Could not find by name: '{0}'</value>
-  </data>
-  <data name="Decompilation_log" xml:space="preserve">
-    <value>Decompilation log</value>
-  </data>
-  <data name="Found_0_assemblies_for_1" xml:space="preserve">
-    <value>Found '{0}' assemblies for '{1}':</value>
-  </data>
-  <data name="Found_exact_match_0" xml:space="preserve">
-    <value>Found exact match: '{0}'</value>
-  </data>
-  <data name="Found_higher_version_match_0" xml:space="preserve">
-    <value>Found higher version match: '{0}'</value>
-  </data>
-  <data name="Found_single_assembly_0" xml:space="preserve">
-    <value>Found single assembly: '{0}'</value>
-  </data>
-  <data name="Load_from_0" xml:space="preserve">
-    <value>Load from: '{0}'</value>
-  </data>
-  <data name="Module_not_found" xml:space="preserve">
-    <value>Module not found!</value>
-  </data>
-  <data name="Resolve_0" xml:space="preserve">
-    <value>Resolve: '{0}'</value>
-  </data>
-  <data name="Resolve_module_0_of_1" xml:space="preserve">
-    <value>Resolve module: '{0}' of '{1}'</value>
-  </data>
-  <data name="WARN_Version_mismatch_Expected_0_Got_1" xml:space="preserve">
-    <value>WARN: Version mismatch. Expected: '{0}', Got: '{1}'</value>
-  </data>
-  <data name="_0_items_in_cache" xml:space="preserve">
-    <value>'{0}' items in cache</value>
-  </data>
   <data name="Generate_Event_Subscription" xml:space="preserve">
     <value>Generate Event Subscription</value>
   </data>

src/EditorFeatures/CSharp/Microsoft.CodeAnalysis.CSharp.EditorFeatures.csproj

@@ -48,7 +48,6 @@
     <!-- END MONODEVELOP -->
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="ICSharpCode.Decompiler" Version="$(ICSharpCodeDecompilerVersion)" />
     <PackageReference Include="Microsoft.VisualStudio.Threading" Version="$(MicrosoftVisualStudioThreadingVersion)" />
   </ItemGroup>
   <ItemGroup>