chore(ci): remove unused backend and lint workflows to clean up repository

.gitea/workflows/backend-tests.yml

@@ -1,36 +0,0 @@
-name: Backend Tests
-
-on:
-  push:
-    paths:
-      - 'backend/**'
-  pull_request:
-    paths:
-      - 'backend/**'
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20
-      - name: Get pnpm store directory
-        id: pnpm-cache
-        shell: bash
-        run: |
-          echo "STORE_PATH=$(pnpm store path --silent)" >> "${GITEA_OUTPUT:-$GITHUB_OUTPUT}"
-      - uses: actions/cache@v4
-        with:
-          path: ${{ steps.pnpm-cache.outputs.STORE_PATH }}
-          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
-          restore-keys: |
-            ${{ runner.os }}-pnpm-store-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile --prefer-offline
-      - name: Run Backend Tests
-        run: pnpm -F @memegoat/backend test

.gitea/workflows/lint.yml

@@ -1,43 +0,0 @@
-name: Lint
-
-on:
-  push:
-    paths:
-      - 'frontend/**'
-      - 'backend/**'
-      - 'documentation/**'
-  pull_request:
-    paths:
-      - 'frontend/**'
-      - 'backend/**'
-      - 'documentation/**'
-
-jobs:
-  lint:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        component: [backend, frontend, documentation]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 9
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20
-      - name: Get pnpm store directory
-        id: pnpm-cache
-        shell: bash
-        run: |
-          echo "STORE_PATH=$(pnpm store path --silent)" >> "${GITEA_OUTPUT:-$GITHUB_OUTPUT}"
-      - uses: actions/cache@v4
-        with:
-          path: ${{ steps.pnpm-cache.outputs.STORE_PATH }}
-          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
-          restore-keys: |
-            ${{ runner.os }}-pnpm-store-
-      - name: Install dependencies
-        run: pnpm install --frozen-lockfile --prefer-offline
-      - name: Lint ${{ matrix.component }}
-        run: pnpm -F @memegoat/${{ matrix.component }} lint