chore: don't generate proofs params on every PR

Only generate proofs parameters every two months and not on every PR.

Author: vmx

.github/workflows/proof-params-generate.yml

@@ -1,7 +1,6 @@
 name: Proof params generate
 
 on:
-  pull_request:
   # Make it also possible to trigger it manually.
   workflow_dispatch:
   schedule: