Generated code is compiled with WaE disabled, anyway

...and at least in the __GNUC__ case, the list of ignored warnings only covered
a fraction of the actually emitted warnings, so just don't bother

Change-Id: I962f50be7da3ae1e215318c6b7dd2f534cbdd57c

l10ntools/source/cfglex.l

@@ -44,13 +44,6 @@
 
 #include "cfglex.hxx"
 
-#if __GNUC__
-#pragma GCC diagnostic ignored "-Wunused-function"
-#pragma GCC diagnostic ignored "-Wunused-label"
-#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
-#elif defined _MSC_VER
-#pragma warning(push, 1)
-#endif
 #define YY_NO_UNISTD_H
 
 int yycolumn = 1;

l10ntools/source/srclex.l

@@ -45,13 +45,6 @@
 
 #include "srclex.hxx"
 
-#ifdef __GNUC__
-#pragma GCC diagnostic ignored "-Wunused-function"
-#pragma GCC diagnostic ignored "-Wunused-label"
-#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
-#elif defined _MSC_VER
-#pragma warning(push, 1)
-#endif
 #define YY_NO_UNISTD_H
 
 /* forwards */

l10ntools/source/xrmlex.l

@@ -43,13 +43,6 @@
 
 #include "sal/main.h"
 
-#ifdef __GNUC__
-#pragma GCC diagnostic ignored "-Wunused-function"
-#pragma GCC diagnostic ignored "-Wunused-label"
-#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
-#elif defined _MSC_VER
-#pragma warning(push, 1)
-#endif
 #define YY_NO_UNISTD_H
 
 /* forwards */