jump_label/x86: Remove unused JUMP_LABEL_NOP_SIZE

JUMP_LABEL_NOP_SIZE is now unused, remove it.

Fixes: 001951b ("jump_label, x86: Add variable length patching support")
Reported-by: Miroslav Benes <mbenes@suse.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/YJ00zxsvocDV5vLU@hirez.programming.kicks-ass.net

Author: Peter Zijlstra

arch/x86/kernel/jump_label.c

@@ -17,8 +17,6 @@
 #include <asm/text-patching.h>
 #include <asm/insn.h>
 
-#define JUMP_LABEL_NOP_SIZE	JMP32_INSN_SIZE
-
 int arch_jump_entry_size(struct jump_entry *entry)
 {
 	struct insn insn = {};