Merge pull request #729 from BytesGalore/remove_unnecessary_includes

core:mutex removed unnecessary includes

core/include/mutex.h

@@ -23,7 +23,6 @@
 #define _MUTEX_H
 
 #include "queue.h"
-#include "tcb.h"
 
 /**
  * @brief Mutex structure. Should never be modified by the user.

core/mutex.c

@@ -22,9 +22,8 @@
 #include <inttypes.h>
 
 #include "mutex.h"
-#include "atomic.h"
-#include "queue.h"
 #include "tcb.h"
+#include "atomic.h"
 #include "kernel.h"
 #include "sched.h"
 #include "thread.h"