cleanup a bit

app/src/main/AndroidManifest.xml

@@ -3,9 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <application
-        android:allowBackup="true"
-        android:dataExtractionRules="@xml/data_extraction_rules"
-        android:fullBackupContent="@xml/backup_rules"
+        android:allowBackup="false"
         android:icon="@mipmap/ic_launcher_app"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_app_round"

app/src/main/res/values-night/themes.xml

@@ -1,4 +1,4 @@
-<resources xmlns:tools="http://schemas.android.com/tools">
+<resources>
     <!-- Base application theme. -->
     <style name="Base.Theme.I2D_Project_15_app" parent="Theme.Material3.DayNight.NoActionBar">
         <!-- Customize your dark theme here. -->

app/src/main/res/values/themes.xml

@@ -1,4 +1,4 @@
-<resources xmlns:tools="http://schemas.android.com/tools">
+<resources>
     <!-- Base application theme. -->
     <style name="Base.Theme.I2D_Project_15_app" parent="Theme.Material3.DayNight.NoActionBar">
         <item name="colorPrimary">@color/colorPrimary_light</item>

app/src/main/res/xml/backup_rules.xml

@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-   Sample backup rules file; uncomment and customize as necessary.
-   See https://developer.android.com/guide/topics/data/autobackup
-   for details.
-   Note: This file is ignored for devices older than API 31
-   See https://developer.android.com/about/versions/12/backup-restore
--->
-<full-backup-content>
-    <!--
-   <include domain="sharedpref" path="."/>
-   <exclude domain="sharedpref" path="device.xml"/>
--->
-</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-   Sample data extraction rules file; uncomment and customize as necessary.
-   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
-   for details.
--->
-<data-extraction-rules>
-    <cloud-backup>
-        <!-- TODO: Use <include> and <exclude> to control what is backed up.
-        <include .../>
-        <exclude .../>
-        -->
-    </cloud-backup>
-    <!--
-    <device-transfer>
-        <include .../>
-        <exclude .../>
-    </device-transfer>
-    -->
-</data-extraction-rules>