remove Android CI workflow and Dockerfile

APK build and deploy is now handled by a local post-commit hook
using scripts/android-build-deploy.sh + rsync.

.gitea/workflows/android.yml

@@ -1,34 +0,0 @@
-name: Android APK
-
-on:
-  push:
-    branches: [ master ]
-    paths:
-      - 'src-tauri/**'
-      - 'Dockerfile.android'
-      - '.gitea/workflows/android.yml'
-  workflow_dispatch:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Build APK in container
-        run: |
-          docker build -f Dockerfile.android -t bocken-android .
-          docker create --name apk-extract bocken-android
-          docker cp apk-extract:/tmp/Bocken.apk ./Bocken.apk
-          docker rm apk-extract
-
-      - name: Deploy APK to server
-        uses: appleboy/scp-action@master
-        with:
-          host: bocken.org
-          username: homepage
-          key: ${{ secrets.homepage_ssh }}
-          passphrase: ${{ secrets.homepage_pass }}
-          port: 22
-          source: "Bocken.apk"
-          target: "/var/www/static/"

Dockerfile.android

@@ -1,52 +0,0 @@
-FROM rust:slim-trixie
-
-# Java 21 + build tools
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    openjdk-21-jdk-headless unzip wget curl ca-certificates && \
-    rm -rf /var/lib/apt/lists/*
-ENV JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64
-
-# Android SDK
-ENV ANDROID_HOME=/opt/android-sdk
-RUN mkdir -p "$ANDROID_HOME/cmdline-tools" && \
-    wget -q https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip -O /tmp/tools.zip && \
-    unzip -q /tmp/tools.zip -d "$ANDROID_HOME/cmdline-tools" && \
-    mv "$ANDROID_HOME/cmdline-tools/cmdline-tools" "$ANDROID_HOME/cmdline-tools/latest" && \
-    rm /tmp/tools.zip
-ENV PATH="$ANDROID_HOME/cmdline-tools/latest/bin:$ANDROID_HOME/platform-tools:$PATH"
-RUN yes | sdkmanager --licenses > /dev/null 2>&1 && \
-    sdkmanager "platforms;android-36" "build-tools;35.0.0" "ndk;27.0.12077973"
-ENV NDK_HOME="$ANDROID_HOME/ndk/27.0.12077973"
-
-# Rust Android targets
-RUN rustup target add aarch64-linux-android armv7-linux-androideabi x86_64-linux-android
-
-# Node 22 + pnpm
-RUN curl -fsSL https://deb.nodesource.com/setup_22.x | bash - && \
-    apt-get install -y nodejs && \
-    npm install -g pnpm@latest && \
-    rm -rf /var/lib/apt/lists/*
-
-WORKDIR /app
-
-# Install deps first (cache layer)
-COPY package.json pnpm-lock.yaml ./
-RUN pnpm install --frozen-lockfile
-
-# Copy source
-COPY . .
-
-# Build APK
-RUN pnpm tauri android build --apk
-
-# Sign APK
-RUN keytool -genkey -v -keystore /tmp/debug.keystore \
-    -alias debug -keyalg RSA -keysize 2048 -validity 10000 \
-    -storepass android -keypass android \
-    -dname "CN=Debug,O=Bocken,C=DE" && \
-    "$ANDROID_HOME/build-tools/35.0.0/zipalign" -f -v 4 \
-    src-tauri/gen/android/app/build/outputs/apk/universal/release/app-universal-release-unsigned.apk \
-    /tmp/Bocken.apk > /dev/null && \
-    "$ANDROID_HOME/build-tools/35.0.0/apksigner" sign \
-    --ks /tmp/debug.keystore --ks-pass pass:android --key-pass pass:android \
-    /tmp/Bocken.apk