i18npool: MSVC: pragma warning: make more specific, remove obsolete

Change-Id: Iacb0c1fba331aa76ea341bc21690f09109b14a0a
Reviewed-on: https://gerrit.libreoffice.org/48990Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

i18npool/CustomTarget_breakiterator.mk

@@ -74,7 +74,7 @@ $(i18npool_BIDIR)/OpenOffice_dat.c : $(SRCDIR)/i18npool/CustomTarget_breakiterat
 		$(call gb_ExternalExecutable_get_command,gencmn) -n OpenOffice -t tmp -S -d $(i18npool_BIDIR)/ 0 $${RESPONSEFILE} && \
 		rm -f $${RESPONSEFILE} && \
 		echo '#ifdef _MSC_VER' > $@ && \
-		echo '#pragma warning( disable : 4229 4668 )' >> $@ && \
+		echo '#pragma warning( disable : 4229 )' >> $@ && \
 		echo '#endif' >> $@ && \
 		cat $(subst _dat,_tmp,$@) >> $@)
 

i18npool/source/search/levdis.cxx

@@ -58,10 +58,6 @@
 #include <string.h>
 #include <algorithm>
 
-#if defined( _MSC_VER )
-#pragma warning(once: 4068)
-#endif
-
 #include "levdis.hxx"
 
 #define LEVDISBIG   (nLimit + 1)    // Return value if distance > nLimit

i18npool/source/search/textsearch.cxx

@@ -40,13 +40,6 @@
 #include <rtl/ustrbuf.hxx>
 #include <sal/log.hxx>
 
-#ifdef _MSC_VER
-// get rid of that dumb compiler warning
-// identifier was truncated to '255' characters in the debug information
-// for STL template usage, if .pdb files are to be created
-#pragma warning( disable: 4786 )
-#endif
-
 #include <string.h>
 
 using namespace ::com::sun::star::util;