x86: remove redundant KERN_DEBUG on pr_debug

pr_debug don't need KERN_DEBUG.

Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/acpi/boot.c

@@ -1136,7 +1136,7 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
 		return gsi;
 	}
 	if (test_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed)) {
-		pr_debug(KERN_DEBUG "Pin %d-%d already programmed\n",
+		pr_debug("Pin %d-%d already programmed\n",
 			 mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
 #ifdef CONFIG_X86_32
 		return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]);