Fix build

Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Xamarin.Forms.Controls.Issues.Shared.projitems

@@ -15,7 +15,6 @@
     <Compile Include="$(MSBuildThisFileDirectory)Bugzilla59172.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)FlagTestHelpers.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue6262.cs" />
-    <Compile Include="$(MSBuildThisFileDirectory)Bugzilla59172.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue6260.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Issue5766.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)CollectionViewBoundMultiSelection.cs" />