ci: remove schedule

.github/workflows/amd64_linux_bazel.yml

@@ -1,12 +1,7 @@
 # ref: https://github.com/actions/runner-images
 name: amd64 Linux Bazel
 
-on:
-  push:
-  pull_request:
-  schedule:
-    # min hours day(month) month day(week)
-    - cron: '0 0 7,22 * *'
+on: [push, pull_request]
 
 jobs:
   # Building using the github runner environement directly.