MIPS: Remove set_swbp() in uprobes.c

set_swbp() in arch/mips/kernel/uprobes.c is same with the weak version
in kernel/events/uprobes.c, remove it.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Author: seehearfeel

arch/mips/kernel/uprobes.c

@@ -207,24 +207,6 @@ unsigned long arch_uretprobe_hijack_return_addr(
 	return ra;
 }
 
-/**
- * set_swbp - store breakpoint at a given address.
- * @auprobe: arch specific probepoint information.
- * @mm: the probed process address space.
- * @vaddr: the virtual address to insert the opcode.
- *
- * For mm @mm, store the breakpoint instruction at @vaddr.
- * Return 0 (success) or a negative errno.
- *
- * This version overrides the weak version in kernel/events/uprobes.c.
- * It is required to handle MIPS16 and microMIPS.
- */
-int __weak set_swbp(struct arch_uprobe *auprobe, struct mm_struct *mm,
-	unsigned long vaddr)
-{
-	return uprobe_write_opcode(auprobe, mm, vaddr, UPROBE_SWBP_INSN);
-}
-
 void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
 				  void *src, unsigned long len)
 {