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

Change-Id: I0307561186651884ea08b908be6a53d2d49f74b2
Reviewed-on: https://gerrit.libreoffice.org/49051Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

sw/source/ui/vba/vbasystem.cxx

@@ -26,10 +26,6 @@
 #include <o3tl/char16_t2wchar_t.hxx>
 
 #ifdef _WIN32
-#if defined _MSC_VER
-#pragma warning (push, 1)
-#pragma warning (disable: 4005)
-#endif
 #if !defined WINVER
 # define WINVER 0x0400
 #endif
@@ -37,9 +33,6 @@
 # define WIN32_LEAN_AND_MEAN
 #endif
 #include <windows.h>
-#if defined _MSC_VER
-#pragma warning (pop)
-#endif
 #endif
 
 using namespace ::ooo::vba;