Don't generate JSON scanner and parser during configure

Author: huanghantao

ext/json/config.w32

@@ -2,15 +2,6 @@
 
 EXTENSION('json', 'json.c', false /* never shared */, "/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
 
-if (!FSO.FileExists("ext/json/json_scanner.c")) {
-    STDOUT.WriteLine("Generating ext/json/json_scanner.c");
-    STDOUT.WriteLine(execute(PATH_PROG("re2c") + " -t ext/json/php_json_scanner_defs.h --no-generation-date -bci -o ext/json/json_scanner.c ext/json/json_scanner.re"));
-}
-if (!FSO.FileExists("ext/json/json_parser.tab.c")) {
-    STDOUT.WriteLine("Generating ext/json/json_parser.tab.c");
-    STDOUT.WriteLine(execute(PATH_PROG("bison") + " --defines -l ext/json/json_parser.y -o ext/json/json_parser.tab.c"));
-}
-
 ADD_SOURCES(configure_module_dirname, "json_encoder.c json_parser.tab.c json_scanner.c", "json");
 
 ADD_MAKEFILE_FRAGMENT();