sd: MSVC: pragma warning: make more specific, remove obsolete

Change-Id: Ia3c30aa136bdc75ca2aac9b4dff66cd0445c2497
Reviewed-on: https://gerrit.libreoffice.org/49045Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

sd/source/filter/grf/sdgrffilter.cxx

@@ -17,9 +17,6 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#ifdef _MSC_VER
-#pragma warning (disable:4190)
-#endif
 #include <com/sun/star/drawing/GraphicExportFilter.hpp>
 #include <com/sun/star/graphic/GraphicProvider.hpp>
 #include <com/sun/star/graphic/XGraphicProvider.hpp>