Remove build_sorted.ml from scripts/ninja.js

Author: phated

scripts/ninja.js

@@ -1609,7 +1609,7 @@ rule ocamlmklib
 rule mk_keywords
     command = $ocaml $in
     generator = true
-build ext/js_reserved_map.ml: mk_keywords build_sorted.ml keywords.list
+build ext/js_reserved_map.ml: mk_keywords keywords.list
 
 build stubs/libbs_hash.a stubs/dllbs_hash.so: ocamlmklib stubs/ext_basic_hash_stubs.o
     name = stubs/bs_hash