[PATCH for-4.18] x86/memshr: Fix build in copy_vcpu_settings()

[Andrew Cooper <andrew.cooper3@citrix.com>]

The last user of this variable was dropped.

Fixes: 295514ff7550 ("common: convert vCPU info area registration")
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
---
CC: Jan Beulich <JBeulich@suse.com>
CC: Roger Pau Monné <roger.pau@citrix.com>
CC: Wei Liu <wl@xen.org>
CC: Tamas K Lengyel <tamas@tklengyel.com>
CC: Henry Wang <Henry.Wang@arm.com>

I expect Gitlab randconfig to find this eventually, but it does depend on
CONFIG_MEM_SHARING being active to manifest.
---
 xen/arch/x86/mm/mem_sharing.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/xen/arch/x86/mm/mem_sharing.c b/xen/arch/x86/mm/mem_sharing.c
index 5217c755a299..94b6b782ef2e 100644
--- a/xen/arch/x86/mm/mem_sharing.c
+++ b/xen/arch/x86/mm/mem_sharing.c
@@ -1706,7 +1706,6 @@ static int copy_vcpu_settings(struct domain *cd, const struct domain *d)
 {
     unsigned int i;
     int ret = -EINVAL;
-    mfn_t vcpu_info_mfn;
 
     for ( i = 0; i < cd->max_vcpus; i++ )
     {
-- 
2.30.2