Move namespace to gradle

app/build.gradle

@@ -5,6 +5,7 @@ plugins {
 android {
     compileSdkVersion 32
     buildToolsVersion "30.0.3"
+    namespace "net.crystalyx.setaswallpaper"
 
     defaultConfig {
         applicationId "net.crystalyx.setaswallpaper"

app/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="net.crystalyx.setaswallpaper">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.SET_WALLPAPER" />