fix: Remove useless escoria.godot config file

Original idea was to separate Escoria project settings from Godot project settings but this ends up cumbersome.

addons/escoria-core/plugin.gd

@@ -65,10 +65,6 @@ func _enter_tree():
 	pass
 
 
-func _ready():
-	ProjectSettings.save_custom("escoria.godot")
-
-
 # Prepare the settings in the Escoria UI category
 func set_escoria_ui_settings():
 	register_setting(