[pcre] remove snprintf define

let's see if it breaks something for anyone

libs/pcre/pcre_stubs.c

@@ -21,7 +21,6 @@
 */
 
 #if defined(_WIN32)
-#  define snprintf _snprintf
 #  if defined(_DLL)
 #    define PCREextern __declspec(dllexport)
 #  else