Remove unused assets and update project configuration. Deleted obsolete files including CLAUDE.md, README.md, default_bus_layout.tres, and various background images. Updated .editorconfig and .gitignore for improved project organization and asset management.

.editorconfig

@@ -2,23 +2,3 @@ root = true
 
 [*]
 charset = utf-8
-end_of_line = lf
-insert_final_newline = true
-trim_trailing_whitespace = true
-
-# GDScript требует табов для отступов.
-[*.{gd,gdshader}]
-indent_style = tab
-indent_size = 4
-
-# Сцены и ресурсы Godot редактирует сам — не трогаем пробелы.
-[*.{tscn,tres,godot,import,uid}]
-trim_trailing_whitespace = false
-insert_final_newline = false
-
-[*.{md,yml,yaml,json}]
-indent_style = space
-indent_size = 2
-
-[*.md]
-trim_trailing_whitespace = false