MSVC Builds: Clean up gtk-version-paths.*props

Remove lines that are not really referred to.

build/win32/vs10/gtk-version-paths.props

@@ -3,7 +3,6 @@
   <PropertyGroup Label="UserMacros">
     <VSVer>10</VSVer>
     <GlibEtcInstallRoot>$(SolutionDir)\..\..\..\..\vs$(VSVer)\$(Platform)</GlibEtcInstallRoot>
-    <GlibEtcInstallRootFromBuildWin32>..\..\..\vs$(VSVer)\$(Platform)</GlibEtcInstallRootFromBuildWin32>
     <CopyDir>..\..\..\..\vs$(VSVer)\$(Platform)</CopyDir>
     <ApiVersion>3.0</ApiVersion>
     <GtkLibtoolCompatibleDllPrefix>lib</GtkLibtoolCompatibleDllPrefix>
@@ -24,9 +23,6 @@
     <BuildMacro Include="GlibEtcInstallRoot">
       <Value>$(GlibEtcInstallRoot)</Value>
     </BuildMacro>
-    <BuildMacro Include="GlibEtcInstallRootFromBuildWin32">
-      <Value>$(GlibEtcInstallRootFromBuildWin32)</Value>
-    </BuildMacro>
     <BuildMacro Include="CopyDir">
       <Value>$(CopyDir)</Value>
     </BuildMacro>
@@ -55,4 +51,4 @@
       <Value>$(PythonPath)</Value>
     </BuildMacro>
   </ItemGroup>
-</Project>
+</Project>

build/win32/vs9/gtk-version-paths.vsprops

@@ -12,10 +12,6 @@
 		Name="GlibEtcInstallRoot"
 		Value="$(SolutionDir)\..\..\..\..\vs$(VSVer)\$(PlatformName)"
 	/>
-	<UserMacro
-		Name="GlibEtcInstallRootFromBuildWin32"
-		Value="..\..\..\vs$(VSVer)\$(PlatformName)"
-	/>
 	<UserMacro
 		Name="CopyDir"
 		Value="..\..\..\..\vs$(VSVer)\$(PlatformName)"
@@ -54,4 +50,4 @@
 		Name="PythonPath"
 		Value="c:\python27"
 	/>
-</VisualStudioPropertySheet>
+</VisualStudioPropertySheet>