android: remove unused strings

Author: kavishdevar

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

@@ -1,7 +1,5 @@
 <resources>
-    <string name="app_name" translatable="false">LibrePods</string>
     <string name="app_description" translatable="false">让你的 AirPods 摆脱苹果的生态系统。</string>
-    <string name="title_activity_custom_device" translatable="false">GATT 测试</string>
     <string name="app_widget_description">在主屏幕上即可查看 AirPods 的电池状态！</string>
     <string name="accessibility">辅助功能</string>
     <string name="tone_volume">提示音音量</string>

android/app/src/main/res/values/strings.xml

@@ -1,7 +1,8 @@
-<resources xmlns:tools="http://schemas.android.com/tools">
+<resources
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:ignore="MissingTranslation">
     <string name="app_name" translatable="false">LibrePods</string>
-    <string name="app_description" translatable="false">Liberate your AirPods from Apple\'s ecosystem.</string>
-    <string name="title_activity_custom_device" translatable="false">GATT Testing</string>
+    <string name="app_description">Liberate your AirPods from Apple\'s ecosystem.</string>
     <string name="app_widget_description">See your AirPods battery status right from your home screen!</string>
     <string name="accessibility">Accessibility</string>
     <string name="tone_volume">Tone Volume</string>