remove duplicate icon resource

app/src/main/AndroidManifest.xml

@@ -5,7 +5,7 @@
     <original-package android:name="org.grapheneos.pdfviewer" />
 
     <application android:icon="@mipmap/ic_launcher"
-            android:roundIcon="@mipmap/ic_launcher_round"
+            android:roundIcon="@mipmap/ic_launcher"
             android:label="@string/app_name"
             android:theme="@style/AppTheme"
             android:allowBackup="true">

app/src/main/res/mipmap-anydpi/ic_launcher_round.xml

-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@color/ic_launcher_background"/>
-    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
-    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>