remove nightly

Author: jackkav

.github/workflows/release.yaml

@@ -3,11 +3,9 @@ name: Docker
 # This workflow uses actions that are not certified by GitHub.
 # They are provided by a third-party and are governed by
 # separate terms of service, privacy policy, and support
-# documentation. Generated from https://github.com/Kong/mockbin/actions/new
+# documentation.
 
 on:
-  schedule:
-    - cron: '45 19 * * *'
   push:
     branches: [ "master" ]
     # Publish semver tags as releases.