HorizontalDividerView: Drop unused custom view

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

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

@@ -1,32 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?><!--
-  ~ Aurora Store
-  ~  Copyright (C) 2021, Rahul Kumar Patel <whyorean@gmail.com>
-  ~
-  ~  Aurora Store is free software: you can redistribute it and/or modify
-  ~  it under the terms of the GNU General Public License as published by
-  ~  the Free Software Foundation, either version 2 of the License, or
-  ~  (at your option) any later version.
-  ~
-  ~  Aurora Store is distributed in the hope that it will be useful,
-  ~  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  ~  GNU General Public License for more details.
-  ~
-  ~  You should have received a copy of the GNU General Public License
-  ~  along with Aurora Store.  If not, see <http://www.gnu.org/licenses/>.
-  ~
-  -->
-
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:padding="@dimen/padding_small">
-
-    <androidx.appcompat.widget.AppCompatImageView
-        android:id="@+id/title"
-        android:layout_width="48dp"
-        android:layout_height="2dp"
-        android:layout_centerInParent="true"
-        android:background="@drawable/divider_line"
-        android:backgroundTint="?colorControlNormal" />
-</RelativeLayout>