arm64: Remove outdated comment

Code referenced in the comment has moved to arch/arm64/kernel/cputable.c
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

arch/arm64/kernel/setup.c

@@ -127,11 +127,6 @@ static void __init setup_processor(void)
 {
 	struct cpu_info *cpu_info;
 
-	/*
-	 * locate processor in the list of supported processor
-	 * types.  The linker builds this table for us from the
-	 * entries in arch/arm/mm/proc.S
-	 */
 	cpu_info = lookup_processor_type(read_cpuid_id());
 	if (!cpu_info) {
 		printk("CPU configuration botched (ID %08x), unable to continue.\n",