message: Remove extraneous files from filter
diff: <ClInclude Include="..\..\src\UI\Core\Label.h">
  <Filter>Header Files\UI\Core</Filter>
  </ClInclude>
  - <ClInclude Include="..\..\src\UI\DifficultySelect.h">
  - <Filter>Header Files\UI</Filter>
  - </ClInclude>
  <ClInclude Include="..\..\src\UI\Core\RadioButton.h">
  <Filter>Header Files\UI\Core</Filter>
  </ClInclude>
  