Remove UiSynchronizer.cs (incomplete)

Author: bclothier

Rubberduck.Parsing/Rubberduck.Parsing.csproj

@@ -176,7 +176,6 @@
     <Compile Include="Symbols\ParsingExceptions\MainParseSyntaxErrorException.cs" />
     <Compile Include="Symbols\ParsingExceptions\PreprosessorSyntaxErrorException.cs" />
     <Compile Include="UIContext\UiDispatcher.cs" />
-    <Compile Include="UIContext\UiSynchronizer.cs" />
     <Compile Include="VBA\RepositoryProjectManager.cs" />
     <Compile Include="VBA\ParsePass.cs" />
     <Compile Include="Inspections\CannotAnnotateAttribute.cs" />