chore: remove unused methods with invalid models.Query usage (#2721)
chore: remove unused methods with invalid models.Query usage (#2721)

* fix: models.Query is not defined

* chore: remove unused Query and methods

alanmcruickshank/superset-dev,SingTel-DataCo/incubator-superset,nekia/incubator-superset-dev,robert-digit/superset,BRD-CD/superset,airbnb/caravel,asdf2014/superset,asdf2014/superset,alanmcruickshank/superset-dev,massgov/incubator-superset,robert-digit/superset,dmigo/incubator-superset,SingTel-DataCo/incubator-superset,alanmcruickshank/superset-dev,nekia/incubator-superset-dev,apache/incubator-superset,asdf2014/superset,mistercrunch/panoramix,mistercrunch/panoramix,mistercrunch/panoramix,alanmcruickshank/superset-dev,apache/incubator-superset,airbnb/caravel,zhouyao1994/incubator-superset,ArijanaBrlek/superset,apache/incubator-superset,airbnb/caravel,massgov/incubator-superset,asdf2014/superset,FrederichCheng/incubator-superset,robert-digit/superset,airbnb/caravel,nekia/incubator-superset-dev,ArijanaBrlek/superset,timifasubaa/incubator-superset,ArijanaBrlek/superset,massgov/incubator-superset,dmigo/incubator-superset,FrederichCheng/incubator-superset,airbnb/superset,SingTel-DataCo/incubator-superset,zhouyao1994/incubator-superset,dmigo/incubator-superset,timifasubaa/incubator-superset,apache/incubator-superset,SingTel-DataCo/incubator-superset,airbnb/superset,BRD-CD/superset,FrederichCheng/incubator-superset,massgov/incubator-superset,timifasubaa/incubator-superset,zhouyao1994/incubator-superset,ArijanaBrlek/superset,airbnb/superset,airbnb/superset,FrederichCheng/incubator-superset,zhouyao1994/incubator-superset,dmigo/incubator-superset,BRD-CD/superset,BRD-CD/superset,robert-digit/superset,timifasubaa/incubator-superset,nekia/incubator-superset-dev,zhouyao1994/incubator-superset,apache/incubator-superset,mistercrunch/panoramix