KVM: selftests: Remove the mismatched parameter comments

There are some parameter being removed in function but the parameter
comments still exist, so remove them.
Signed-off-by: Shaoqin Huang <shaoqin.huang@intel.com>
Message-Id: <20220614224126.211054-1-shaoqin.huang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

tools/testing/selftests/kvm/lib/kvm_util.c

@@ -1163,8 +1163,6 @@ static vm_vaddr_t vm_vaddr_unused_gap(struct kvm_vm *vm, size_t sz,
  *   vm - Virtual Machine
  *   sz - Size in bytes
  *   vaddr_min - Minimum starting virtual address
- *   data_memslot - Memory region slot for data pages
- *   pgd_memslot - Memory region slot for new virtual translation tables
  *
  * Output Args: None
  *
@@ -1250,7 +1248,6 @@ vm_vaddr_t vm_vaddr_alloc_page(struct kvm_vm *vm)
  *   vaddr - Virtuall address to map
  *   paddr - VM Physical Address
  *   npages - The number of pages to map
- *   pgd_memslot - Memory region slot for new virtual translation tables
  *
  * Output Args: None
  *