revert unwanted manifest changes

app/src/main/AndroidManifest.xml

@@ -78,7 +78,7 @@
     <application
         tools:replace="android:icon"
         android:name="com.geeksville.mesh.MeshUtilApplication"
-        android:allowBackup="true"
+        android:allowBackup="false"
         android:icon="@mipmap/ic_launcher2"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher2_round"
@@ -118,12 +118,6 @@
             </intent-filter>
         </service>
 
-        <!-- This is a private service which just does direct communication to the radio -->
-        <service
-            android:name="com.geeksville.mesh.service.RadioInterfaceService"
-            android:enabled="true"
-            android:exported="false" />
-
         <!-- zxing for QR Code scanning: lock portrait orientation -->
         <activity
             android:name="com.journeyapps.barcodescanner.CaptureActivity"
@@ -132,14 +126,13 @@
 
         <activity
             android:name="com.geeksville.mesh.MainActivity"
-            android:label="@string/app_name"
+            android:launchMode="singleInstance"
             android:screenOrientation="portrait"
             android:windowSoftInputMode="stateAlwaysHidden"
             android:theme="@style/Theme.App.Starting"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
-
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>