Remove SF_PUSH_KEY from GitHub actions (#3760)

Author: Nateowami

.github/workflows/update-localizations.yml

@@ -18,7 +18,6 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           persist-credentials: true
-          ssh-key: ${{ secrets.SF_PUSH_KEY }}
 
       - name: Set up Deno
         uses: denoland/setup-deno@e95548e56dfa95d4e1a28d6f422fafe75c4c26fb # v2.0.3