Updated Mono's libraries

MSBuildTasks/MSBuildTasks.csproj

@@ -56,10 +56,6 @@
     <Reference Include="Mono.Cecil.Rocks, Version=0.10.1.0, Culture=neutral, PublicKeyToken=50cebf1cceb9d05e, processorArchitecture=MSIL">
       <HintPath>..\packages\Mono.Cecil.0.10.1\lib\net40\Mono.Cecil.Rocks.dll</HintPath>
     </Reference>
-    <Reference Include="pdb2mdb, Version=0.0.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <SpecificVersion>False</SpecificVersion>
-      <HintPath>.\pdb2mdb.exe</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Collections.Immutable, Version=1.2.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Collections.Immutable.1.5.0\lib\netstandard1.3\System.Collections.Immutable.dll</HintPath>
@@ -86,8 +82,5 @@
   <ItemGroup>
     <None Include="packages.config" />
   </ItemGroup>
-  <ItemGroup>
-    <Content Include="pdb2mdb.exe" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>