Remove dead macros 'mycat' and 'mycat_wrk'.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3455 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/tool.h.base b/include/tool.h.base
index 3373277..243dc55 100644
--- a/include/tool.h.base
+++ b/include/tool.h.base
@@ -65,9 +65,6 @@
 /*=== Useful macros                                                ===*/
 /*====================================================================*/
 
-#define mycat_wrk(aaa,bbb) aaa##bbb
-#define mycat(aaa,bbb) mycat_wrk(aaa,bbb)
-
 /* No, really.  I _am_ that strange. */
 #define OINK(nnn) VG_(message)(Vg_DebugMsg, "OINK %d",nnn)