sfx2: MSVC: pragma warning: make more specific, remove obsolete

Change-Id: If4cd747826307e1050eaf4ba38e6201c1e08e84e
Reviewed-on: https://gerrit.libreoffice.org/49048Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

sfx2/source/appl/shutdowniconw32.cxx

@@ -22,11 +22,6 @@
 
 #include <sal/macros.h>
 
-// necessary to include system headers without warnings
-#ifdef _MSC_VER
-#pragma warning(disable:4668 4917)
-#endif
-
 #include <unotools/moduleoptions.hxx>
 #include <unotools/dynamicmenuoptions.hxx>
 

sfx2/source/doc/syspath.hxx

@@ -19,7 +19,6 @@
 
 #ifndef INCLUDED_SFX2_SOURCE_DOC_SYSPATH_HXX
 #define INCLUDED_SFX2_SOURCE_DOC_SYSPATH_HXX
-//#pragma warning(disable:4917)
 
 #include <sfx2/dllapi.h>
 

sfx2/source/doc/syspathw32.cxx

@@ -22,9 +22,6 @@
 #include <o3tl/char16_t2wchar_t.hxx>
 
 #ifdef _WIN32
-#ifdef _MSC_VER
-#pragma warning(disable:4917)
-#endif
 
 #undef WB_LEFT
 #undef WB_RIGHT