Rm unneeded function

Author: smalyshev

ext/standard/url.c

@@ -102,22 +102,6 @@ static const char *binary_strcspn(const char *s, const char *e, const char *char
 	return e;
 }
 
-static int is_userinfo_valid(const char *str, size_t len)
-{
-	char *valid = "-._~!$&'()*+,;=:";
-	char *p = str;
-	while (p - str < len) {
-		if (isalpha(*p) || isdigit(*p) || strchr(valid, *p)) {
-			p++;
-		} else if (*p == '%' && p - str <= len - 3 && isdigit(*(p+1)) && isxdigit(*(p+2))) {
-			p += 3;
-		} else {
-			return 0;
-		}
-	}
-	return 1;
-}
-
 /* {{{ php_url_parse
  */
 PHPAPI php_url *php_url_parse_ex(char const *str, size_t length)