fix typo

Author: jonthysell

examplenuget/windows/examplenuget/examplenuget.vcxproj

@@ -163,7 +163,6 @@
       <SubType>Designer</SubType>
     </Page>
   </ItemGroup>
-  <ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ReactNativeWindowsTargets">
     <Import Project="$(ReactNativeWindowsDir)\PropertySheets\External\Microsoft.ReactNative.Uwp.CppApp.targets" Condition="Exists('$(ReactNativeWindowsDir)\PropertySheets\External\Microsoft.ReactNative.Uwp.CppApp.targets')" />