Remove infrastructure code from repository

- This code has already been extracted to the infrastructure repository
  (see new ADR)
- Remove github workflows related only to infrastructure changes
- Create new ADR detailing decision

Author: TheOneFromNorway

.dockerignore

@@ -41,7 +41,6 @@
 /spec
 !/spec/factories
 !/spec/support/faker
-/terraform
 
 /config/settings.local.yml
 /config/settings/*.local.yml

.github/CODEOWNERS

@@ -1,4 +1,3 @@
 * @nhsuk/mavis-devs-application
 .github/ @nhsuk/vaccine-digital-service
 docs/ @nhsuk/vaccine-digital-service
-terraform/ @nhsuk/mavis-devs-infrastructure

.github/actions/run-test-suites-check/action.yml

@@ -27,7 +27,7 @@ runs:
         if [ "${{ github.event_name }}" == "pull_request" ]; then
           git fetch origin
           RELEVANT_DIRS=$(git diff origin/${{ inputs.base-ref }}...HEAD --name-only)
-          if [ -z "$(echo "$RELEVANT_DIRS" | egrep -v '^(.github|adr|aws|docs|storage|terraform)/')" ]; then
+          if [ -z "$(echo "$RELEVANT_DIRS" | egrep -v '^(.github|adr|aws|docs|storage)/')" ]; then
             echo "No relevant changes detected, skipping rails tests"
             echo "run-test-suites=false" >> $GITHUB_OUTPUT
             exit 0