Remove pin and notifications night icons

They were added by accident in PRs not properly rebased on top of TeamNewPipe#7518, they can be removed safely.

Author: Stypox

app/src/main/res/drawable-night/ic_notifications.xml

@@ -1,6 +1,7 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
+    android:tint="@color/defaultIconTint"
     android:viewportWidth="24"
     android:viewportHeight="24">
     <path

app/src/main/res/drawable-night/ic_pin.xml

@@ -1,6 +1,7 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
+    android:tint="@color/defaultIconTint"
     android:viewportWidth="24"
     android:viewportHeight="24">
   <path