BAC-255: Disable nightly (#75)

Author: Marcin-Radecki

.github/workflows/testnet-nightly-e2e.yml

@@ -1,9 +1,11 @@
+# This workflow is out-to-date. It won't work as it is now, due to the fact Base Sepolia testnet 
+# has a specific behaviour resulting in errors like "replacement transaction underpriced" or "nonce too low:".
+# current workaround was to sleep, but it was removed in 
+# https://github.com/Cardinal-Cryptography/blanksquare-monorepo/commit/72536953ee7d324b4a776c0726ae035bace88655
 ---
 name: Nightly E2E tests run on testnet
 
 on:
-  schedule:
-    - cron: "00 23 * * *"
   workflow_dispatch:
 
 concurrency: