Remove forgotten strings in configuration files

platform/android/java/AndroidManifest.xml

@@ -43,13 +43,6 @@
 
 <!--Custom application XML added by add-ons-->
 <!--CHUNK_APPLICATION_BEGIN-->
-<activity android:name="com.google.android.gms.ads.AdActivity"
-	android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"/>
-<meta-data android:name="com.google.android.gms.version"
-	android:value="@integer/google_play_services_version" />
-<meta-data
-        android:name="com.google.android.gms.ads.AD_MANAGER_APP"
-        android:value="true"/>
 <!--CHUNK_APPLICATION_END-->
 
     </application>

platform/android/java/build.gradle

@@ -31,7 +31,6 @@ allprojects {
 dependencies {
 	implementation "com.android.support:support-core-utils:28.0.0"
 //CHUNK_DEPENDENCIES_BEGIN
-compile ('com.google.android.gms:play-services-ads:16.0.0') { exclude group: 'com.android.support' }
 //CHUNK_DEPENDENCIES_END
 }
 
@@ -66,7 +65,6 @@ android {
 			manifest.srcFile 'AndroidManifest.xml'
 			java.srcDirs = ['src'
 //DIR_SRC_BEGIN
-,'/home/red/coding/godot-demos/2d/platformer/android/admob/src'
 //DIR_SRC_END
 			]
 			res.srcDirs = [