sql/parser: Remove trailing zero stripping during NumVal parsing
sql/parser: Remove trailing zero stripping during NumVal parsing

This was a temporary workaround that we no longer need (never needed?).

cockroachdb/cockroach,cockroachdb/cockroach,sunya123/cockroach,arjun4084346/cockroach,vaibhavarora/cockroach,petermattis/cockroach,vivekmenezes/cockroach,petermattis/cockroach,paperstreet/cockroach,paperstreet/cockroach,vivekmenezes/cockroach,petermattis/cockroach,cockroachdb/cockroach,cockroachdb/cockroach,glycerine/cockroach,glycerine/cockroach,vivekmenezes/cockroach,vaibhavarora/cockroach,cockroachdb/cockroach,arjun4084346/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,sunya123/cockroach,vivekmenezes/cockroach,cockroachdb/cockroach,petermattis/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,vivekmenezes/cockroach,vivekmenezes/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,maxlang/cockroach,sunya123/cockroach,maxlang/cockroach,petermattis/cockroach,paperstreet/cockroach,arjun4084346/cockroach,glycerine/cockroach,maxlang/cockroach,vivekmenezes/cockroach,paperstreet/cockroach,glycerine/cockroach,veteranlu/cockroach,glycerine/cockroach,veteranlu/cockroach,arjun4084346/cockroach,maxlang/cockroach,paperstreet/cockroach,petermattis/cockroach,sunya123/cockroach,petermattis/cockroach,vaibhavarora/cockroach,glycerine/cockroach,maxlang/cockroach,maxlang/cockroach,glycerine/cockroach,arjun4084346/cockroach,cockroachdb/cockroach,cockroachdb/cockroach,petermattis/cockroach,paperstreet/cockroach,glycerine/cockroach,veteranlu/cockroach,veteranlu/cockroach,paperstreet/cockroach,arjun4084346/cockroach,sunya123/cockroach,arjun4084346/cockroach,vivekmenezes/cockroach,arjun4084346/cockroach,vaibhavarora/cockroach,maxlang/cockroach,sunya123/cockroach,maxlang/cockroach,veteranlu/cockroach,sunya123/cockroach,sunya123/cockroach