MXS-2004 Remove maxscale/thread.h and server/core/thread.cc

Not used anymore.

include/maxscale/thread.h

@@ -1,72 +0,0 @@
-#pragma once
-/*
- * Copyright (c) 2016 MariaDB Corporation Ab
- *
- * Use of this software is governed by the Business Source License included
- * in the LICENSE.TXT file and at www.mariadb.com/bsl11.
- *
- * Change Date: 2022-01-01
- *
- * On the date above, in accordance with the Business Source License, use
- * of this software will be governed by version 2 or later of the General
- * Public License.
- */
-
-/**
- * @file thread.h       The gateway threading interface
- *
- * An encapsulation of the threading used by the gateway. This is designed to
- * isolate the majority of the gateway code from the pthread library, enabling
- * the gateway to be ported to a different threading package with the minimum
- * of changes.
- */
-
-#include <maxscale/cdefs.h>
-
-MXS_BEGIN_DECLS
-
-/**
- * Thread type and thread identifier function macros
- */
-#include <pthread.h>
-
-typedef pthread_t THREAD;
-
-/**
- * Obtain a handle to the calling thread
- *
- * @return The thread handle of the calling thread.
- */
-static inline THREAD thread_self()
-{
-    return pthread_self();
-}
-
-/**
- * Start a secondary thread
- *
- * @param thd         Pointer to the THREAD object
- * @param entry       The entry point to call
- * @param arg         The argument to pass the thread entry point
- * @param stack_size  The stack size of the thread. If 0, the default
- *                    size will be used.
- *
- * @return            The thread handle or NULL if an error occurred
- */
-extern THREAD *thread_start(THREAD *thd, void (*entry)(void *), void *arg, size_t stack_size);
-
-/**
- * Wait for a running thread to complete.
- *
- * @param thd   The thread handle
- */
-extern void thread_wait(THREAD thd);
-
-/**
- * Put the calling thread to sleep for a number of milliseconds
- *
- * @param ms  Number of milliseconds to sleep
- */
-extern void thread_millisleep(int ms);
-
-MXS_END_DECLS