Delete unused xml declarations

app/src/main/res/layout/all_episodes_fragment.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:orientation="vertical"
     android:layout_width="match_parent"

app/src/main/res/layout/choose_data_folder_dialog_entry.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/root"
     android:layout_width="match_parent"

app/src/main/res/layout/downloadlog_item.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout
-        xmlns:app="http://schemas.android.com/apk/res-auto"
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:tools="http://schemas.android.com/tools"
         android:id="@+id/container"

app/src/main/res/layout/empty_view_layout.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-              xmlns:app="http://schemas.android.com/apk/res-auto"
               android:layout_width="match_parent"
               android:layout_height="match_parent"
               android:orientation="vertical"

app/src/main/res/xml/automotive_app_desc.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-<automotiveApp xmlns:android="http://schemas.android.com/apk/res/android">
+<automotiveApp>
     <uses name="media"/>
 </automotiveApp>

app/src/main/res/xml/preferences_autodownload.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen
         xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto"
         xmlns:search="http://schemas.android.com/apk/com.bytehamster.lib.preferencesearch">
 
     <de.danoeh.antennapod.preferences.MasterSwitchPreference

app/src/main/res/xml/preferences_user_interface.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen
-        xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:app="http://schemas.android.com/apk/res-auto">
+        xmlns:android="http://schemas.android.com/apk/res/android">
 
     <PreferenceCategory android:title="@string/appearance">
         <ListPreference

app/src/main/res/xml/provider_paths.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<paths xmlns:android="http://schemas.android.com/apk/res/android">
+<paths>
     <external-path name="external_storage" path="."/>
     <root-path name="external_files" path="/storage/" />
 </paths>