Remove Palm OS port.

The platform targeted by this port doesn't exist any more and the port never
achieved really working state so remove the code to avoid having to maintain
it.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70345 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/string.h

@@ -24,7 +24,6 @@
 
 #include "wx/defs.h"        // everybody should include this
 
-#ifndef __WXPALMOS5__
 #if defined(__WXMAC__) || defined(__VISAGECPP__)
     #include <ctype.h>
 #endif
@@ -47,7 +46,6 @@
 #ifdef HAVE_STRCASECMP_IN_STRINGS_H
     #include <strings.h>    // for strcasecmp()
 #endif // HAVE_STRCASECMP_IN_STRINGS_H
-#endif // ! __WXPALMOS5__
 
 #include "wx/wxcrtbase.h"   // for wxChar, wxStrlen() etc.
 #include "wx/strvararg.h"
@@ -170,8 +168,7 @@ inline int Stricmp(const char *psz1, const char *psz2)
   return stricmp(psz1, psz2);
 #elif defined(__WXPM__)
   return stricmp(psz1, psz2);
-#elif defined(__WXPALMOS__) || \
-      defined(HAVE_STRCASECMP_IN_STRING_H) || \
+#elif defined(HAVE_STRCASECMP_IN_STRING_H) || \
       defined(HAVE_STRCASECMP_IN_STRINGS_H) || \
       defined(__GNUWIN32__)
   return strcasecmp(psz1, psz2);