Remove unnecessary NuGet package references in FCS. (#8898)

Author: teo-tsirpanis

fcs/FSharp.Compiler.Service.sln

@@ -7,8 +7,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "project", "project", "{B6B6
 		build.cmd = build.cmd
 		build.fsx = build.fsx
 		build.sh = build.sh
-		nuget\FSharp.Compiler.Service.MSBuild.v12.nuspec = nuget\FSharp.Compiler.Service.MSBuild.v12.nuspec
-		nuget\FSharp.Compiler.Service.nuspec = nuget\FSharp.Compiler.Service.nuspec
 		paket.dependencies = paket.dependencies
 		README.md = README.md
 		RELEASE_NOTES.md = RELEASE_NOTES.md

fcs/FSharp.Compiler.Service/FSharp.Compiler.Service.fsproj

@@ -28,6 +28,8 @@
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <Authors>F# community contributors</Authors>
     <PackageLicenseUrl>https://github.com/fsharp/FSharp.Compiler.Service/blob/master/LICENSE</PackageLicenseUrl>
+    <Authors>Microsoft Corporation; F# community contributors</Authors>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/fsharp/FSharp.Compiler.Service</PackageProjectUrl>
     <PackageIcon>logo.png</PackageIcon>
     <PackageTags>F#, fsharp, interactive, compiler, editor</PackageTags>
@@ -726,12 +728,9 @@
     <PackageReference Include="System.Memory" Version="4.5.3" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-    <PackageReference Include="System.Diagnostics.Process" Version="4.1.0" />
-    <PackageReference Include="System.Diagnostics.TraceSource" Version="4.0.0" />
     <PackageReference Include="System.Reflection.Emit" Version="4.3.0" />
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.3.0" />
     <PackageReference Include="System.Runtime.Loader" Version="4.0.0" />
-    <PackageReference Include="System.Security.Cryptography.Algorithms" Version="4.3.0" />
   </ItemGroup>
   <ItemGroup Condition="'$(TargetFramework)' == '$(FcsTargetNetFxFramework)'">
     <Reference Include="System.Runtime" />
@@ -742,4 +741,4 @@
     </Reference>
   </ItemGroup>
   <Target Name="GenerateCode" AfterTargets="Restore" BeforeTargets="BeforeBuild" DependsOnTargets="CallFsLex;CallFsYacc" Condition="'$(TargetFramework)' != ''"></Target>
-</Project>
+</Project>