Removed redundant configuration from build scripts

build/Common.targets

@@ -7,7 +7,7 @@
 	</Target>
 
 	<Target Name="_Compile" DependsOnTargets="_Clean">
-		<MSBuild Projects="%(Solution.Identity)" Properties="Configuration=%(Solution.Configuration)" BuildInParallel="true" />
+		<MSBuild Projects="@(Solution)" Properties="Configuration=$(BuildConfiguration)" BuildInParallel="true" />
 	</Target>
 
 </Project>

build/build.csproj

@@ -17,11 +17,7 @@
 
 	<ItemGroup>
 		<WorkingDirectories Include="$(BuildTempDirectory)" />
-
-		<Solution Include="$(SolutionFile)">
-			<Configuration>$(BuildConfiguration)</Configuration>
-		</Solution>
-		
+		<Solution Include="$(SolutionFile)" />
 	</ItemGroup>
 
 	<!-- targets -->