payloads: Drop unneeded empty lines

Change-Id: I6faeb7c783052edc4217d2d301dbb905e1fc6a19
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44605
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>

payloads/libpayload/arch/x86/apic.c

@@ -127,7 +127,6 @@ void apic_start_delay(unsigned int usec)
 	enable_interrupts();
 }
 
-
 void apic_wait_delay(void)
 {
 	/* Loop in case another interrupt has fired and resumed execution. */