migration/postcopy: PostcopyState is already set in loadvm_postcopy_h…

…andle_advise()

PostcopyState is already set to ADVISE at the beginning of
loadvm_postcopy_handle_advise().

Remove the redundant set.

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20190711080816.6405-1-richardw.yang@linux.intel.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

migration/savevm.c

@@ -1648,8 +1648,6 @@ static int loadvm_postcopy_handle_advise(MigrationIncomingState *mis,
         return -1;
     }
 
-    postcopy_state_set(POSTCOPY_INCOMING_ADVISE);
-
     return 0;
 }