remove escape chars from sql file

efront.sql

@@ -69,7 +69,7 @@ CREATE TABLE `rrule` (
 
 LOCK TABLES `rrule` WRITE;
 /*!40000 ALTER TABLE `rrule` DISABLE KEYS */;
-INSERT INTO `rrule` VALUES (1,'{\"freq\": \"RRule.WEEKLY\", \"until\": \"2017-07-26\", \"dstart\": \"2017-06-26\"}',1,4,1);
+INSERT INTO `rrule` VALUES (1,'{"freq": "RRule.WEEKLY", "until": "2017-07-26", "dstart": "2017-06-26"}',1,4,1);
 /*!40000 ALTER TABLE `rrule` ENABLE KEYS */;
 UNLOCK TABLES;