arch/x86/mpspec.c: Drop dead code

This code is not even being build-tested. Drop it before it grows moss.

Change-Id: I8280d29b9a7bc835c2cb7e3e3dfca70768672a5f
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43209
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner

src/arch/x86/mpspec.c

@@ -240,12 +240,6 @@ void smp_write_intsrc(struct mp_config_table *mc,
 	mpc->mpc_dstapic = dstapic;
 	mpc->mpc_dstirq = dstirq;
 	smp_add_mpc_entry(mc, sizeof(*mpc));
-#ifdef DEBUG_MPTABLE
-	printk(BIOS_DEBUG,
-		"add intsrc srcbus 0x%x srcbusirq 0x%x, dstapic 0x%x, dstirq 0x%x\n",
-				srcbus, srcbusirq, dstapic, dstirq);
-	hexdump(__func__, mpc, sizeof(*mpc));
-#endif
 }
 
 /*