Revert "Add method -> string lookup"

This reverts commit b795f94686.

(I don't like this feature, and I'm not using it.)

http_parser.h

@@ -135,28 +135,6 @@ size_t http_parse_responses(http_parser *parser, const char *data, size_t len);
  */
 int http_should_keep_alive(http_parser *parser);
 
-static inline const char * http_method_str (enum http_method method)
-{
-  switch (method) {
-    case HTTP_DELETE:     return "DELETE";
-    case HTTP_GET:        return "GET";
-    case HTTP_HEAD:       return "HEAD";
-    case HTTP_POST:       return "POST";
-    case HTTP_PUT:        return "PUT";
-    case HTTP_CONNECT:    return "CONNECT";
-    case HTTP_OPTIONS:    return "OPTIONS";
-    case HTTP_TRACE:      return "TRACE";
-    case HTTP_COPY:       return "COPY";
-    case HTTP_LOCK:       return "LOCK";
-    case HTTP_MKCOL:      return "MKCOL";
-    case HTTP_MOVE:       return "MOVE";
-    case HTTP_PROPFIND:   return "PROPFIND";
-    case HTTP_PROPPATCH:  return "PROPPATCH";
-    case HTTP_UNLOCK:     return "UNLOCK";
-    default:              return (const char*)0;
-  }
-}
-
 #ifdef __cplusplus
 }
 #endif

test.c

@@ -1049,9 +1049,6 @@ main (void)
 
   printf("sizeof(http_parser) = %d\n", sizeof(http_parser));
 
-  assert(strcmp(http_method_str(HTTP_GET), "GET") == 0);
-  assert(strcmp(http_method_str(HTTP_CONNECT), "CONNECT") == 0);
-
   for (request_count = 0; requests[request_count].name; request_count++);
   for (response_count = 0; responses[response_count].name; response_count++);