CRIS: remove unused current_regs

CC: Mikael Starvik <[e-mail]>
CC: [e-mail]
Signed-off-by: Jonas Bonn <[e-mail]>
Signed-off-by: Jesper Nilsson <[e-mail]>

arch/cris/include/asm/processor.h

···
  */
 
 #define task_pt_regs(task) user_regs(task_thread_info(task))
-#define current_regs() task_pt_regs(current)
 
 unsigned long get_wchan(struct task_struct *p);