Remove deployment secret argument

This does not need to be passed into the deploy.yml as it is retrieved
from the given environment that the workflow runs in.

Author: Sparrow0hawk

.github/workflows/ci.yml

@@ -108,5 +108,3 @@ jobs:
       tag: ${{ needs.build.outputs.version }}
     # only run deploy for CI runs on main
     if: github.event_name != 'pull_request'
-    secrets:
-      GCP_CREDENTIALS_DEPLOY: ${{ secrets.GCP_CREDENTIALS_DEPLOY }}

.github/workflows/deploy.yml

@@ -14,10 +14,6 @@ on:
         type: string
         required: true
 
-    secrets:
-      GCP_CREDENTIALS_DEPLOY:
-        required: true
-
   workflow_dispatch:
     inputs:
       environment: