drivers: remove deprecated gpioint interface

drivers/include/gpioint.h

-/*
- * Copyright 2009, Freie Universitaet Berlin (FUB). All rights reserved.
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @defgroup    drivers_gpioint GPIO IRQ Multiplexer
- * @ingroup     drivers_periph
- * @brief       Provides an API to implement interrupt handlers on IO pins.
- *
- * Multiplexer and interrupt handling must be implemented platform specific.
- *
- * @note        This interface is deprecated, use `periph/gpio.h` instead
- *
- * @{
- *
- * @file
- * @brief       GPIO IRQ Multiplexer interface
- *
- * @author      Michael Baar <michael.baar@fu-berlin.de>
- */
-
-#ifndef GPIOINT_H
-#define GPIOINT_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * @brief   GPIO IRQ multiplexer flags
- *
- * @note    We rely on the exact values for the edges.
- * @note    These flags are extended in hal/drivers/device-gpio.h
- *
- * @{
- */
-#define GPIOINT_DISABLE         0x00    /**< disable interrupt */
-#define GPIOINT_RISING_EDGE     0x01    /**< interrupt is generated on rising edge */
-#define GPIOINT_FALLING_EDGE    0x02    /**< interrupt is generated on falling edge */
-#define GPIOINT_DEBOUNCE        0x04    /**< debounce this interrupt */
-/** @} */
-
-/**
- * @brief   GPIO IRQ callback function type
- */
-typedef void(*fp_irqcb)(void);
-
-/**
- * @brief   GPIO IRQ handler setup
- * @param[in]   port        CPU specific port number (starting at 0)
- * @param[in]   bitmask     One or more bits for which to set the handler
- * @param[in]   flags       A combination of #GPIOINT_RISING_EDGE and #GPIOINT_FALLING_EDGE
- * @param[in]   callback    A pointer to a handler function
- * @retval      true        successful
- * @retval      false       failed
- *
- * To enable interrupt handling for a pin flags and callback must be non-zero. To disable interrupt
- * handling flags and callback shall be zero.
- */
-bool gpioint_set(int port, uint32_t bitmask, int flags, fp_irqcb callback);
-
-/**
- * @brief   Initialize the multiplexer
- */
-void gpioint_init(void);
-
-#ifdef __cplusplus
-}
-#endif
-
-/** @} */
-#endif /* GPIOINT_H */