removed max-pool-size on admin dev2

crss-admin/crss-admin-dev2.yml

@@ -5,7 +5,6 @@ spring:
     password: crss_admin
     hikari:
       connectionTimeout: 20000
-      maximumPoolSize: 2
       idleTimeout: 180000 # 3 min
       maxLifetime: 600000 # 10 min
   mail: