Code refactoring, move and cleanup

app/src/main/res/menu/drawer_menu.xml

@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Look4Sat. Amateur radio and weather satellite tracker and passes predictor for Android.
-  ~ Copyright (C) 2019, 2020 Arty Bishop (bishop.arty@gmail.com)
-  ~
-  ~ This program 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.
-  ~
-  ~ This program 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 this program; if not, write to the Free Software Foundation, Inc.,
-  ~ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-  -->
-
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    tools:showIn="navigation_view">
-
-    <group android:checkableBehavior="single">
-        <item
-            android:id="@+id/nav_pass_list"
-            android:icon="@drawable/ic_sat_asc_right"
-            android:title="@string/menu_pass_list" />
-        <item
-            android:id="@+id/nav_map_view"
-            android:icon="@drawable/ic_world_map"
-            android:title="@string/menu_map_view" />
-        <item
-            android:id="@+id/nav_map_osm"
-            android:icon="@drawable/ic_world_map"
-            android:title="@string/menu_map_osm" />
-        <item
-            android:id="@+id/nav_settings"
-            android:icon="@drawable/ic_settings"
-            android:title="@string/menu_settings" />
-        <item
-            android:id="@+id/nav_about"
-            android:icon="@drawable/ic_about"
-            android:title="@string/menu_about" />
-    </group>
-</menu>

app/src/main/res/menu/nav_menu.xml

@@ -19,7 +19,7 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
     <item
         android:id="@+id/nav_satellites"
-        android:icon="@drawable/ic_sat_desc_left"
+        android:icon="@drawable/ic_sat_asc_left"
         android:title="@string/menu_bottom_entries" />
     <item
         android:id="@+id/nav_passes"