refactor: Disable line numbers in code views

This commit disables line numbers by default in `CodeView` instances.

- In `CodeViewUtils`, `setEnableLineNumber(false)` is now called for all views.
- Removed explicit calls to `setEnableLineNumber(true)` in `CodeHighlighter` as it's now handled by `CodeViewUtils`.
- Removed an unused constructor from `CodeViewUtils`.
- Optimized import in `CodeViewUtils` by removing `android.view.View`.

Author: MihaiCristianCondrea

README.md

@@ -1,4 +1,4 @@
-![Android Studio Tutorials](/app/src/main/play/listings/en-US/graphics/feature-graphic/feature-graphic.png "Android Studio Tutorials: Java Edition")
+![Android Studio Tutorials](/app/src/main/play/listings/en-US/graphics/feature-graphic/play_store_feature_graphic.png "Android Studio Tutorials: Java Edition")
 
 <a href="https://play.google.com/store/apps/details?id=com.d4rk.androidtutorials.java"><img src="https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png" height="70"></a>