fix: mysql terminated

dev-upgrade/mysql/mysql-dev.yaml

@@ -14,14 +14,6 @@ spec:
       labels:
         name: mysql
     spec:
-      securityContext:
-        sysctls:
-        - name: net.ipv4.tcp_keepalive_time
-          value: "300"
-        - name: net.ipv4.tcp_keepalive_intvl
-          value: "10"
-        - name: net.ipv4.tcp_keepalive_probes
-          value: "3"
       containers:
       - name: mysql
         image: mysql:8.0.33