Revert "Only run on weekdays; limit to 2/h" (GoogleCloudPlatform#2000)

This reverts commit e4c84b3.

Co-authored-by: Les Vogel <lesv@users.noreply.github.com>

Author: kurtisvg

renovate.json

@@ -16,8 +16,6 @@
       "groupName": "Vertx packages"
     }
   ],
-  "schedule": ["after 5am and before 5pm on every weekday"],
-  "prHourlyLimit": 2,
   "prConcurrentLimit": 5,
   "rebaseStalePrs": false,
   "masterIssue": true