Remove LegacyEditor projects (#12869)

Step 1 of many.

Test insertion is green(ish):
https://dev.azure.com/devdiv/DevDiv/_git/VS/pullrequest/714698

Author: davidwengier

Razor.slnx

@@ -59,22 +59,19 @@
     <Project Path="src/Shared/Microsoft.AspNetCore.Razor.Utilities.Shared/Microsoft.AspNetCore.Razor.Utilities.Shared.csproj" />
   </Folder>
   <Folder Name="/Tooling Tests/">
-    <Project Path="src/Razor/test/Microsoft.AspNetCore.Razor.ExternalAccess.LegacyEditor.Test/Microsoft.AspNetCore.Razor.ExternalAccess.LegacyEditor.Test.csproj" />
     <Project Path="src/Razor/test/Microsoft.AspNetCore.Razor.LanguageServer.Test/Microsoft.AspNetCore.Razor.LanguageServer.Test.csproj" />
     <Project Path="src/Razor/test/Microsoft.AspNetCore.Razor.Test.Common.Cohosting/Microsoft.AspNetCore.Razor.Test.Common.Cohosting.csproj" />
     <Project Path="src/Razor/test/Microsoft.AspNetCore.Razor.Test.Common.Tooling/Microsoft.AspNetCore.Razor.Test.Common.Tooling.csproj" />
     <Project Path="src/Razor/test/Microsoft.CodeAnalysis.Razor.Workspaces.Test/Microsoft.CodeAnalysis.Razor.Workspaces.Test.csproj" />
     <Project Path="src/Razor/test/Microsoft.CodeAnalysis.Remote.Razor.Test/Microsoft.CodeAnalysis.Remote.Razor.Test.csproj" />
     <Project Path="src/Razor/test/Microsoft.VisualStudio.LanguageServer.ContainedLanguage.Test/Microsoft.VisualStudio.LanguageServer.ContainedLanguage.Test.csproj" />
     <Project Path="src/Razor/test/Microsoft.VisualStudio.LanguageServices.Razor.Test/Microsoft.VisualStudio.LanguageServices.Razor.Test.csproj" />
-    <Project Path="src/Razor/test/Microsoft.VisualStudio.LegacyEditor.Razor.Test/Microsoft.VisualStudio.LegacyEditor.Razor.Test.csproj" />
     <Project Path="src/Razor/test/Microsoft.VisualStudio.Razor.IntegrationTests/Microsoft.VisualStudio.Razor.IntegrationTests.csproj" />
     <Project Path="src/Razor/test/Microsoft.VisualStudioCode.Razor.IntegrationTests/Microsoft.VisualStudioCode.Razor.IntegrationTests.csproj" />
     <Project Path="src/Razor/test/Microsoft.VisualStudioCode.RazorExtension.Test/Microsoft.VisualStudioCode.RazorExtension.Test.csproj" />
   </Folder>
   <Folder Name="/Tooling/">
     <File Path="src/Razor/src/Directory.Build.props" />
-    <Project Path="src/Razor/src/Microsoft.AspNetCore.Razor.ExternalAccess.LegacyEditor/Microsoft.AspNetCore.Razor.ExternalAccess.LegacyEditor.csproj" />
     <Project Path="src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/Microsoft.AspNetCore.Razor.LanguageServer.csproj" />
     <Project Path="src/Razor/src/Microsoft.CodeAnalysis.Razor.CohostingShared/Microsoft.CodeAnalysis.Razor.CohostingShared.shproj" />
     <Project Path="src/Razor/src/Microsoft.CodeAnalysis.Razor.Workspaces/Microsoft.CodeAnalysis.Razor.Workspaces.csproj" />
@@ -83,7 +80,6 @@
     <Project Path="src/Razor/src/Microsoft.CodeAnalysis.Remote.Razor/Microsoft.CodeAnalysis.Remote.Razor.csproj" />
     <Project Path="src/Razor/src/Microsoft.VisualStudio.LanguageServer.ContainedLanguage/Microsoft.VisualStudio.LanguageServer.ContainedLanguage.csproj" />
     <Project Path="src/Razor/src/Microsoft.VisualStudio.LanguageServices.Razor/Microsoft.VisualStudio.LanguageServices.Razor.csproj" />
-    <Project Path="src/Razor/src/Microsoft.VisualStudio.LegacyEditor.Razor/Microsoft.VisualStudio.LegacyEditor.Razor.csproj" />
     <Project Path="src/Razor/src/Microsoft.VisualStudio.RazorExtension.Dependencies/Microsoft.VisualStudio.RazorExtension.Dependencies.csproj" />
     <Project Path="src/Razor/src/Microsoft.VisualStudio.RazorExtension/Microsoft.VisualStudio.RazorExtension.csproj" />
     <Project Path="src/Razor/src/Microsoft.VisualStudioCode.RazorExtension/Microsoft.VisualStudioCode.RazorExtension.csproj" />

src/Compiler/Microsoft.CodeAnalysis.Razor.Compiler/src/Microsoft.CodeAnalysis.Razor.Compiler.csproj

@@ -41,8 +41,6 @@
     <InternalsVisibleTo Include="Microsoft.AspNetCore.Mvc.Razor.Extensions.Test" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.AspNetCore.Mvc.Razor.Extensions.Version1_X.Test" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.AspNetCore.Mvc.Razor.Extensions.Version2_X.Test" Key="$(RazorKey)" />
-    <InternalsVisibleTo Include="Microsoft.AspNetCore.Razor.ExternalAccess.LegacyEditor" Key="$(RazorKey)" />
-    <InternalsVisibleTo Include="Microsoft.AspNetCore.Razor.ExternalAccess.LegacyEditor.Test" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.AspNetCore.Razor.Language.Legacy.Test" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.AspNetCore.Razor.Language.Test" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.AspNetCore.Razor.LanguageServer" Key="$(RazorKey)" />
@@ -60,8 +58,6 @@
     <InternalsVisibleTo Include="Microsoft.NET.Sdk.Razor.SourceGenerators.Test" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.VisualStudio.LanguageServices.Razor" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.VisualStudio.LanguageServices.Razor.Test" Key="$(RazorKey)" />
-    <InternalsVisibleTo Include="Microsoft.VisualStudio.LegacyEditor.Razor" Key="$(RazorKey)" />
-    <InternalsVisibleTo Include="Microsoft.VisualStudio.LegacyEditor.Razor.Test" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.VisualStudio.RazorExtension" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.VisualStudioCode.RazorExtension" Key="$(RazorKey)" />
     <InternalsVisibleTo Include="Microsoft.VisualStudioCode.RazorExtension.Test" Key="$(RazorKey)" />