x86/entry/64: Remove an unused label

The label .Lcommon_\sym was introduced by 39e95433.
(x86-64: Reduce amount of redundant code generated for invalidate_interruptNN)
And all the other relevant information was removed by 52aec330
(x86/tlb: replace INVALIDATE_TLB_VECTOR by CALL_FUNCTION_VECTOR)
Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200419144049.1906-4-laijs@linux.alibaba.com

arch/x86/entry/entry_64.S

@@ -798,7 +798,6 @@ _ASM_NOKPROBE(common_interrupt)
 SYM_CODE_START(\sym)
 	UNWIND_HINT_IRET_REGS
 	pushq	$~(\num)
-.Lcommon_\sym:
 	call	interrupt_entry
 	UNWIND_HINT_REGS indirect=1
 	call	\do_sym	/* rdi points to pt_regs */