Adds default crash popup, if game.gd doesn't reimplement it (#449)

addons/escoria-ui-9verbs/game.gd

@@ -233,22 +233,3 @@ func _on_MenuButton_pressed() -> void:
 	
 func _on_action_finished() -> void:
 	verbs_menu.unselect_actions()
-
-
-func show_crash_popup(files = []) -> void:
-	connect("crash_popup_confirmed", escoria, "quit", 
-		[], CONNECT_ONESHOT)
-	var crash_popup = AcceptDialog.new()
-	crash_popup.popup_exclusive = true
-	crash_popup.pause_mode = Node.PAUSE_MODE_PROCESS
-	add_child(crash_popup)
-	var files_to_send: String = ""
-	for file in files:
-		files_to_send += "- %s\n" % file
-	crash_popup.dialog_text = tr(ProjectSettings.get_setting(
-		"escoria/debug/crash_message")
-	) % files_to_send
-	crash_popup.popup_centered()
-	escoria.set_game_paused(true)
-	yield(crash_popup, "confirmed")
-	emit_signal("crash_popup_confirmed")