pci_add_capability: remove duplicate comments

Signed-off-by: Chen Hanxiao <chenhanxiao@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

hw/pci/pci.c

diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index 442f822..a017614 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -2101,12 +2101,10 @@
 }
 
 /*
- * if !offset
- * Reserve space and add capability to the linked list in pci config space
- *
  * if offset = 0,
  * Find and reserve space and add capability to the linked list
- * in pci config space */
+ * in pci config space
+ */
 int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
                        uint8_t offset, uint8_t size)
 {