Delete .github directory

.github/workflows/android.yml

@@ -1,38 +0,0 @@
-name: Build Android APK
-
-on:
-  push:
-    branches:
-      - main
-
-permissions:
-  contents: write
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Set up Java 17
-        uses: actions/setup-java@v4
-        with:
-          distribution: temurin
-          java-version: 17
-
-      - name: Set up Gradle
-        uses: gradle/actions/setup-gradle@v4
-
-      - name: Build debug APK
-        run: ./gradlew assembleDebug
-
-      - name: Create GitHub release
-        uses: softprops/action-gh-release@v2
-        with:
-          tag_name: build-${{ github.run_number }}
-          name: Build ${{ github.run_number }}
-          files: app/build/outputs/apk/debug/app-debug.apk
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}