Github actions: remove broken CI workflow.

.github/workflows/build.yml

@@ -1,34 +0,0 @@
-name: Android CI Workflow
-
-on:
-  push:
-    branches:
-      - master
-      - test
-    tags:
-      - 'v*'
-
-jobs:
-  apk:
-    name: Generate APK
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Set up JDK 17
-        uses: actions/setup-java@v3
-        with:
-          java-version: '17'
-          distribution: 'temurin'
-
-      # - name: Setup Android SDK
-      #   uses: android-actions/setup-android@v2
-
-      - name: Build APK
-        run: ./gradlew --no-daemon build
-
-      - name: Upload APK
-        uses: actions/upload-artifact@v1
-        with:
-          name: apk
-          path: app/build/outputs/apk/release/app-release.apk