Removing some dependencies from the list of desktop dependencies in Workspaces.Common.nuspec

src/NuGet/Microsoft.CodeAnalysis.Workspaces.Common.nuspec

@@ -23,11 +23,6 @@
         <dependency id="Microsoft.CodeAnalysis.Common" version="[$version$]" />
         <dependency id="Microsoft.CodeAnalysis.Elfie" version="$MicrosoftCodeAnalysisElfieVersion$" />
         <dependency id="Microsoft.Composition" version="$MicrosoftCompositionVersion$" />
-        <dependency id="System.Diagnostics.Contracts" version="$SystemDiagnosticsContractsVersion$" />
-        <dependency id="System.Linq.Parallel" version="$SystemLinqParallelVersion$" />
-        <dependency id="System.ObjectModel" version="$SystemObjectModelVersion$" />
-        <dependency id="System.Text.RegularExpressions" version="$SystemTextRegularExpressionsVersion$" />
-        <dependency id="System.Threading.Tasks.Parallel" version="$SystemThreadingTasksParallelVersion$" />
       </group>
     </dependencies>