Merge pull request #1926 from alphagov/update-pr-template

DRY up PR template as part of CD rollout

.github/pull_request_template.md

@@ -1,7 +1 @@
-:warning: This application is Continuously Deployed: :warning:
-
-- Merged changes are automatically deployed to staging and production.
-
-- Make sure you follow [the guidance for deployments](https://docs.publishing.service.gov.uk/manual/development-pipeline.html#merge-your-own-pull-request) **before** you merge.
-
-- Check your branch is being deployed in the [Release app](https://release.publishing.service.gov.uk/applications/government-frontend), after merging.
+⚠️ This repo is Continuously Deployed: make sure you [follow the guidance](https://docs.publishing.service.gov.uk/manual/development-pipeline.html#merge-your-own-pull-request) ⚠️