refactor: Embed fundamental-mode into C++ defaults

- Removed 'lua/major_modes/fundamental_mode.lua' as fundamental-mode is
  already defined within the LUA_DEFAULTS string in src/defaults.hpp.
- Removed the corresponding 'dofile' statement from init.lua.
- This ensures fundamental-mode is always loaded by default as a fallback.

init.lua

@@ -181,7 +181,7 @@ end
 
 -- Load individual major modes
 dofile("lua/major_modes/lua_mode.lua")
-dofile("lua/major_modes/fundamental_mode.lua")
+
 
 
 

lua/major_modes/fundamental_mode.lua

@@ -1,10 +0,0 @@
--- Fundamental Mode for Lumacs
--- Extracted from init.lua
-
-define_major_mode("fundamental-mode", {
-    file_patterns = {},
-
-    setup = function()
-        editor:message("[fundamental-mode] Fundamental mode activated")
-    end
-})