Removed unnecessary package references

Author: kichalla

src/Microsoft.AspNetCore.Mvc.Abstractions/Microsoft.AspNetCore.Mvc.Abstractions.csproj

@@ -19,7 +19,6 @@ Microsoft.AspNetCore.Mvc.IActionResult</Description>
     <PackageReference Include="Microsoft.Extensions.HashCodeCombiner.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Extensions.PropertyHelper.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Net.Http.Headers" Version="$(AspNetCoreVersion)" />
-    <PackageReference Include="System.ComponentModel.TypeConverter" Version="$(CoreFxVersion)" />
   </ItemGroup>
 
 </Project>

src/Microsoft.AspNetCore.Mvc.Core/Microsoft.AspNetCore.Mvc.Core.csproj

@@ -39,7 +39,6 @@ Microsoft.AspNetCore.Mvc.RouteAttribute</Description>
     <PackageReference Include="Microsoft.Extensions.PropertyHelper.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
     <PackageReference Include="Microsoft.Extensions.SecurityHelper.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
     <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(CoreFxVersion)" />
-    <PackageReference Include="System.ValueTuple" Version="$(CoreFxVersion)" />
   </ItemGroup>
 
 </Project>

test/WebSites/WebApiCompatShimWebSite/WebApiCompatShimWebSite.csproj

@@ -15,6 +15,5 @@
     <PackageReference Include="Microsoft.AspNetCore.Server.IISIntegration" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="$(AspNetCoreVersion)" />
-    <PackageReference Include="System.Net.Http" Version="$(CoreFxVersion)" />
   </ItemGroup>
 </Project>