CI: cache-deps: rm build scheduling

Author: Anton-Latukha

.github/workflows/cache-deps.yml

@@ -15,9 +15,6 @@ on:
   push:
     branches:
       - master
-  schedule:
-    # Try to save snapshot every day at 03:45 UTC (~21:45 in California)
-    - cron: "45 3 * * *"
   pull_request:
     branches:
       - '**'