feat: remove celery (#7)

Author: dreamhunter2333

.env.example

@@ -1,3 +1,4 @@
 cookie_sub=xxx
 db_url=mysql+mysqlconnector://xxx:xxx/xxx
-broker=xxx://:xxx@localhost:6379/0
+origin=xxx
+cdn=xxx

README.MD

@@ -3,5 +3,4 @@
 ```env
 cookie_sub=xxx
 db_url=mysql+mysqlconnector://xxx:xxx/xxx(数据库地址)
-broker=xxx://:xxx@localhost:6379/0(MQ)
 ```

router/config.py

@@ -15,7 +15,6 @@
 class Settings(BaseSettings):
     cookie_sub: str
     db_url: str
-    broker: str
     origin: str
     cdn: str