fix: dont fetch master on deploy (#7)

- deploy runs on master branch, dont attempt to fetch it

Reviewed-on: https://git.query.consul/unkin/packer-images/pulls/7

.gitea/workflows/deploy.yaml

@@ -18,10 +18,6 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Fetch master branch
-        run: |
-          git fetch origin master:master
-
       - name: Run Packer Builds
         env:
           VAULT_ROLEID: ${{ secrets.PACKER_BUILDER_VAULT_ROLEID }}