Merge branch '3.6.1-code-conventions' of https://github.com/FGadvancer/Open-IM-Server into 3.6.1-code-conventions

config/kafka.yml

@@ -1,14 +1,13 @@
 username: ''
 password: ''
 addr: [ 172.28.0.1:19094 ]
-latestMsgToRedis:
+toRedis:
-  topic: "latestMsgToRedis"
+  topic: "toRedis"
-offlineMsgToMongo:
+toMongo:
-  topic: "offlineMsgToMongoMysql"
+  topic: "toMongo"
-msgToPush:
+toPush:
-  topic: "msgToPush"
+  topic: "toPush"
 consumerGroupID:
   msgToRedis: redis
   msgToMongo: mongo
-  msgToMySql: mysql
   msgToPush: push