finally fixed light theme

removed unnecessary files
went from ![before](https://user-images.githubusercontent.com/54900518/181997174-aa30c799-b07c-4dd8-81cf-dbd483ed3737.jpg)
to ![after](https://user-images.githubusercontent.com/54900518/181997171-c746bb99-8fa8-4cd1-9ccc-dce2526253c4.jpg)

Author: litoj

Android app/app/build.gradle

@@ -7,8 +7,8 @@ android {
         applicationId "com.schlmgr"
         minSdk 21
         targetSdkVersion 32
-        versionCode 63
-        versionName '1.8.3'
+        versionCode 64
+        versionName '1.8.4'
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         signingConfig signingConfigs.debug
     }

Android app/app/src/main/java/com/schlmgr/gui/fragments/AboutFragment.java

@@ -169,40 +169,4 @@ public void onResume() {
 	public void run() {
 		Controller.defaultBack.run();
 	}
-
-	private static class VersionAdapter
-			extends AbstractNestAdapter<String[], VersionAdapter.VersionHolder> {
-
-		protected VersionAdapter(RecyclerView rv, ScrollView firstScroll, String[]... items) {
-			super(new ArrayList<>(Arrays.asList(items)));
-			update(rv, firstScroll);
-		}
-
-		@NonNull
-		@Override
-		public VersionHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-			return new VersionHolder(LayoutInflater.from(
-					parent.getContext()).inflate(R.layout.item_version, parent, false));
-		}
-
-		private class VersionHolder extends AbstractNestAdapter.ViewHolder {
-
-			final TextView name;
-			final TextView description;
-
-			VersionHolder(@NonNull View itemView) {
-				super(itemView);
-				name = itemView.findViewById(R.id.version_name);
-				description = itemView.findViewById(R.id.version_description);
-			}
-
-			@Override
-			protected void setData(int pos) {
-				String[] item = list.get(pos);
-				name.setText(item[0]);
-				description.setText(item[1]);
-			}
-		}
-
-	}
 }

Android app/app/src/main/res/drawable/ic_chapter.xml

@@ -1,7 +1,7 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
-    android:tint="#5BF100"
+    android:tint="#77DD22"
     android:viewportWidth="24.0"
     android:viewportHeight="24.0">
     <path

Android app/app/src/main/res/drawable/ic_menu_category.xml

@@ -1,7 +1,7 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
-    android:tint="#C862FF"
+    android:tint="#a04ddd"
     android:viewportWidth="24.0"
     android:viewportHeight="24.0">
     <path

Android app/app/src/main/res/drawable/ic_menu_choose_dir.xml

@@ -1,7 +1,7 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
-    android:tint="#5BF100"
+    android:tint="#77DD22"
     android:viewportWidth="24.0"
     android:viewportHeight="24.0">
     <path

Android app/app/src/main/res/drawable/ic_menu_objects.xml

@@ -2,7 +2,7 @@
     android:shape="rectangle">
     <gradient
         android:angle="225"
-        android:endColor="@color/colorSecondaryHeader"
-        android:startColor="@color/colorPrimaryHeader"
+        android:endColor="@color/colorPrimaryHeader"
+        android:startColor="#77dd22"
         android:type="linear" />
 </shape>

Android app/app/src/main/res/drawable/ic_menu_subjects.xml

@@ -8,13 +8,12 @@
 
     <com.google.android.material.appbar.AppBarLayout
         android:layout_width="match_parent"
-        android:layout_height="55dp"
-        android:theme="@style/AppThemeDark">
+        android:layout_height="55dp">
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:background="?attr/colorAccent"
+            android:background="@color/colorPrimaryHeader"
             android:orientation="horizontal"
             android:theme="@style/AppTheme.AppBarOverlay">