Cleanup csproj

Author: jbevain

PmipMyCallStack.csproj

@@ -51,7 +51,6 @@
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Core" />
-    <Reference Include="System.Xml" />
     <Reference Include="Microsoft.VisualStudio.Debugger.Engine">
       <HintPath>$(ConcordSDKDir)Reference Assemblies\Microsoft.VisualStudio.Debugger.Engine.dll</HintPath>
       <Private>False</Private>
@@ -64,7 +63,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
   </ItemGroup>
   <ItemGroup>
-    <VsdConfigXmlFiles Include="PmipMyCallStack.vsdconfigxml"/>
+    <VsdConfigXmlFiles Include="PmipMyCallStack.vsdconfigxml" />
   </ItemGroup>
   <ItemGroup>
     <None Include="source.extension.vsixmanifest">