Revert "Merge branch 'feature/vfs_select' into 'master'"

This reverts merge request !2074

components/driver/include/driver/uart_select.h

@@ -1,49 +0,0 @@
-
-// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef _UART_SELECT_H_
-#define _UART_SELECT_H_
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include "driver/uart.h"
-
-typedef enum {
-    UART_SELECT_READ_NOTIF,
-    UART_SELECT_WRITE_NOTIF,
-    UART_SELECT_ERROR_NOTIF,
-} uart_select_notif_t;
-
-typedef void (*uart_select_notif_callback_t)(uart_port_t uart_num, uart_select_notif_t uart_select_notif, BaseType_t *task_woken);
-
-/**
- * @brief Set notification callback function for select() events
- * @param uart_num UART port number
- * @param uart_select_notif_callback callback function
- */
-void uart_set_select_notif_callback(uart_port_t uart_num, uart_select_notif_callback_t uart_select_notif_callback);
-
-/**
- * @brief Get mutex guarding select() notifications
- */
-portMUX_TYPE *uart_get_selectlock();
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif //_UART_SELECT_H_