storage: [Tiny fix] Avoid unnecessary call of GoError() in Replica.ChangeReplicas
storage: [Tiny fix] Avoid unnecessary call of GoError() in Replica.ChangeReplicas

err is used only for null-check, so we don't need to convert pErr to err.

vivekmenezes/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,il9ue/cockroach,cockroachdb/cockroach,petermattis/cockroach,nieyy/cockroach,arjun4084346/cockroach,vivekmenezes/cockroach,cockroachdb/cockroach,maxlang/cockroach,il9ue/cockroach,vaibhavarora/cockroach,il9ue/cockroach,veteranlu/cockroach,sunya123/cockroach,glycerine/cockroach,maxlang/cockroach,petermattis/cockroach,cuongdo/cockroach,bg451/cockroach,bg451/cockroach,maxlang/cockroach,cockroachdb/cockroach,paperstreet/cockroach,vivekmenezes/cockroach,cuongdo/cockroach,il9ue/cockroach,marcuswestin/cockroach,maxlang/cockroach,vaibhavarora/cockroach,arjun4084346/cockroach,marcuswestin/cockroach,veteranlu/cockroach,sunya123/cockroach,cockroachdb/cockroach,nieyy/cockroach,cuongdo/cockroach,cuongdo/cockroach,marcuswestin/cockroach,sunya123/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,cockroachdb/cockroach,sunya123/cockroach,petermattis/cockroach,vaibhavarora/cockroach,nieyy/cockroach,arjun4084346/cockroach,sunya123/cockroach,maxlang/cockroach,glycerine/cockroach,arjun4084346/cockroach,cuongdo/cockroach,petermattis/cockroach,arjun4084346/cockroach,petermattis/cockroach,cockroachdb/cockroach,glycerine/cockroach,vivekmenezes/cockroach,marcuswestin/cockroach,glycerine/cockroach,marcuswestin/cockroach,veteranlu/cockroach,arjun4084346/cockroach,glycerine/cockroach,petermattis/cockroach,marcuswestin/cockroach,il9ue/cockroach,sunya123/cockroach,sunya123/cockroach,veteranlu/cockroach,sunya123/cockroach,glycerine/cockroach,maxlang/cockroach,nieyy/cockroach,veteranlu/cockroach,marcuswestin/cockroach,vivekmenezes/cockroach,bg451/cockroach,vivekmenezes/cockroach,petermattis/cockroach,cuongdo/cockroach,glycerine/cockroach,paperstreet/cockroach,marcuswestin/cockroach,il9ue/cockroach,vaibhavarora/cockroach,glycerine/cockroach,vivekmenezes/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,nieyy/cockroach,cockroachdb/cockroach,paperstreet/cockroach,veteranlu/cockroach,paperstreet/cockroach,vivekmenezes/cockroach,il9ue/cockroach,cockroachdb/cockroach,vaibhavarora/cockroach,bg451/cockroach,veteranlu/cockroach,il9ue/cockroach,cuongdo/cockroach,cuongdo/cockroach,maxlang/cockroach,nieyy/cockroach,nieyy/cockroach,maxlang/cockroach,paperstreet/cockroach,petermattis/cockroach,bg451/cockroach,bg451/cockroach,arjun4084346/cockroach,arjun4084346/cockroach,bg451/cockroach,nieyy/cockroach