Removed orphaned project import for GenerateResourceStringsSource.targets from netfx project.

Author: paulmedynski

src/Microsoft.Data.SqlClient/netfx/src/Microsoft.Data.SqlClient.csproj

@@ -1083,7 +1083,6 @@
       Condition="'$(ReferenceType)' == 'Package'" />
   </ItemGroup>
 
-  <Import Project="$(CommonSourceRoot)tools\targets\GenerateResourceStringsSource.targets" />
   <Import Project="$(NetFxSource)tools\targets\GenerateThisAssemblyCs.targets" />
   <Import Project="$(NetFxSource)tools\targets\GenerateAssemblyRef.targets" />
   <Import Project="$(NetFxSource)tools\targets\GenerateAssemblyInfo.targets" />