Disable periodic workflows on a repo that's been sunset (#1547)

* Disable periodic workflows on a repo that's been sunset

This repo is no longer maintained. No need to run jobs using expensive machines

* Disable run-readme-periodic.yml cron

Author: ZainRizvi

.github/workflows/periodic.yml

@@ -1,8 +1,8 @@
 name: periodic
 
 on:
-  schedule:
-    - cron: '0 0 * * *'  # Runs daily at midnight UTC
+  # schedule:
+  #  - cron: '0 0 * * *'  # Runs daily at midnight UTC
   push:
     tags:
       - ciflow/periodic/*

.github/workflows/run-readme-periodic.yml

@@ -1,8 +1,8 @@
 name: Run the README instructions periodically to ensure they work
 
 on:
-  schedule:
-    - cron: '0 0 * * *'  # Runs daily at midnight UTC
+  #schedule:
+  #  - cron: '0 0 * * *'  # Runs daily at midnight UTC
   push:
     tags:
       - ciflow/periodic/*