Revert "Let's see what breaks"

This reverts commit bc47870.

It broke 481 tests

Author: grendello

src/Xamarin.Android.Build.Tasks/Microsoft.Android.Sdk/targets/Microsoft.Android.Sdk.BuildOrder.targets

@@ -62,7 +62,6 @@ properties that determine build ordering.
     <_PrepareBuildApkDependsOnTargets>
       _SetLatestTargetFrameworkVersion;
       _GetLibraryImports;
-      _RemoveRegisterAttribute;
       _ResolveAssemblies;
       _ResolveSatellitePaths;
       _CreatePackageWorkspace;

src/Xamarin.Android.Build.Tasks/Xamarin.Android.Common.targets

@@ -1867,6 +1867,7 @@ because xbuild doesn't support framework reference assemblies.
 <PropertyGroup>
 	<_CompileToDalvikDependsOnTargets>
 		_CompileJava;
+		_RemoveRegisterAttribute;
 		_CreateApplicationSharedLibraries;
 		_GetMonoPlatformJarPath;
 		_GetLibraryImports;