AMD/IOMMU: drop stray "else"

The blank line between it and the prior if() clearly indicates that this
was meant to be a standalone if().

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
v5: New.

--- a/xen/drivers/passthrough/amd/pci_amd_iommu.c
+++ b/xen/drivers/passthrough/amd/pci_amd_iommu.c
@@ -166,8 +166,8 @@ static int __init iov_detect(void)
     if ( !iommu_enable && !iommu_intremap )
         return 0;
 
-    else if ( (init_done ? amd_iommu_init_interrupt()
-                         : amd_iommu_init(false)) != 0 )
+    if ( (init_done ? amd_iommu_init_interrupt()
+                    : amd_iommu_init(false)) != 0 )
     {
         printk("AMD-Vi: Error initialization\n");
         return -ENODEV;