remove unused strings

add lint to github ci

.github/workflows/lint.yml

@@ -0,0 +1,24 @@
+name: Android Lint
+
+on:
+  push:
+    branches:
+      - 'master'
+  pull_request:
+    branches-ignore:
+      - 'master'
+
+
+jobs:
+  checkLint:
+    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'
+          cache: gradle
+      - name: Build app
+        run: ./gradlew lint

app/src/main/res/values-zh-rCN/strings.xml

@@ -431,8 +431,6 @@
     <string name="description_sync_direction_sync_bidirectional">通过根据需要传输、下载和删除文件来确保本地和远端存储具有相同的文件，以保持相同的文件夹结构。</string>
     <string name="intro_success">成功！</string>
     <string name="intro_successful_setup">准备就绪，可以开始了！</string>
-    <string name="intro_manage_external_storage_granted">已授予文件访问权限！</string>
-    <string name="intro_manage_external_storage_failed">未授予文件访问权限</string>
     <string name="status_offendingfile">"有问题的文件: "</string>
     <string name="use_md5checksum">使用 md5 校验和</string>
     <string name="task_hint_wifi_ignore_defaults">如果启用，此设置将覆盖全局设置，仅通过Wi-Fi传输文件</string>