soc/amd/picasso/include/amd_pci_int_defs: remove duplicate comment

This also reduces the difference to the equivalent file from
stoneyridge.

Change-Id: I3fc44f057047995cc4054a85a1bb69427aa28531
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47581
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/picasso/include/soc/amd_pci_int_defs.h

@@ -7,10 +7,7 @@
  * PIRQ and device routing - these define the index into the
  * FCH PCI_INTR 0xC00/0xC01 interrupt routing table.
  */
-/*
- * PIRQ and device routing - these define the index into the
- * FCH PCI_INTR 0xC00/0xC01 interrupt routing table.
- */
+
 #define PIRQ_NC		0x1f	/* Not Used */
 #define PIRQ_A		0x00	/* INT A */
 #define PIRQ_B		0x01	/* INT B */