chore: remove unused .gitlab-ci.yml

No longer needed after migration to Gitea Actions.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitea/workflows/ci.yaml

@@ -13,7 +13,7 @@ jobs:
       BUILDTOOLS_CONTENT: ${{ secrets.BUILDTOOLS_CONTENT }}
       GITEA_REPOSITORY: ${{ gitea.repository }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: buildtool/setup-buildtools-action@v1
       - name: Build and push
         run: unset GITEA_TOKEN && build && push
@@ -27,7 +27,7 @@ jobs:
       GITEA_REPOSITORY: ${{ gitea.repository }}
     environment: prod
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: buildtool/setup-buildtools-action@v1
       - name: Deploy to production
         run: deploy prod

.gitlab-ci.yml

@@ -1,22 +0,0 @@
-stages:
-  - build
-  - deploy-prod
-
-image: buildtool/build-tools:${BUILDTOOLS_VERSION}
-
-build:
-  stage: build
-  script:
-    - build
-    - push
-
-deploy-to-prod:
-  stage: deploy-prod
-  when: on_success
-  script:
-    - echo Deploy to PROD.
-    - deploy prod
-  environment:
-    name: prod
-  only:
-    - master

Dockerfile

@@ -1,4 +1,4 @@
-FROM amd64/nginx:1.29.4@sha256:1ead684dc0a33ef421caa42403272afeae59c8933edcedda6926d964a44d3f01
+FROM amd64/nginx:1.29.4@sha256:14c54109a4bff01b4163013fc9509e7f097691c8484f5f0c6772d937c0a75a16
 MAINTAINER Joakim Olsson <joakim@unbound.se>
 
 ADD files/*.html files/*.jpg files/*.mp3 /usr/share/nginx/html/