fix(ci): remove markdown linter

.gitea/workflows/markdown-linters.yaml

@@ -1,46 +0,0 @@
-name: Markdown linter
-
-on:
-  pull_request:
-    paths: [ "**/*.md" ]
-    types: [ "opened", "reopened", "synchronize" ]
-  push:
-    branches:
-    - '**'
-    paths: [ "**/*.md" ]
-    tags-ignore:
-    - '**'
-  workflow_dispatch: {}
-
-jobs:
-  markdown-link-checker:
-    container:
-      image: docker.io/library/node:23.11.0-alpine
-    runs-on:
-    - ubuntu-latest
-    steps:
-    - name: Install tooling
-      run: |
-        apk update
-        apk add git npm
-    - uses: actions/checkout@v4.2.2
-    - name: Verify links in markdown files
-      run: |
-        npm install
-        npm run readme:link
-
-  markdown-lint:
-    container:
-      image: docker.io/library/node:23.11.0-alpine
-    runs-on:
-    - ubuntu-latest
-    steps:
-    - name: Install tooling
-      run: |
-        apk update
-        apk add git
-    - uses: actions/checkout@v4.2.2
-    - name: Lint markdown files
-      run: |
-        npm install
-        npm run readme:lint