chore(color): remove unused pl18/libopenui_config.h (#4932)

radio/src/targets/pl18/libopenui_config.h

@@ -1,29 +0,0 @@
-/*
- * Copyright (C) EdgeTX
- *
- * Based on code named
- *   opentx - https://github.com/opentx/opentx
- *   th9x - http://code.google.com/p/th9x
- *   er9x - http://code.google.com/p/er9x
- *   gruvin9x - http://code.google.com/p/gruvin9x
- *
- * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#pragma once
-
-constexpr coord_t INPUT_EDIT_CURVE_WIDTH = 132;
-constexpr coord_t INPUT_EDIT_CURVE_HEIGHT = INPUT_EDIT_CURVE_WIDTH;
-constexpr coord_t MENUS_MAX_HEIGHT = (MENUS_LINE_HEIGHT * 8) + 8;
-
-// Disable rotary encoder, as the PL18 does not have one
-#define ROTARY_ENCODER_SPEED() 0