remove superfluous Backbone calls when destroying models, better comments
remove superfluous Backbone calls when destroying models, better comments

4talesa/alloy,indera/alloy,FokkeZB/alloy,mobilehero/adamantium,WY08271/alloy,NadsonFernando/alloy,mobilehero/adamantium,xavierlacot/alloy,WY08271/alloy,brentonhouse/brentonhouse.alloy,jppope/alloy,brentonhouse/brentonhouse.alloy,bhatfield/alloy,4talesa/alloy,bhatfield/alloy,WY08271/alloy,mobilehero/adamantium,brentonhouse/brentonhouse.alloy,jppope/alloy,xavierlacot/alloy,indera/alloy,jvkops/alloy,NadsonFernando/alloy,FokkeZB/alloy,jvkops/alloy,jvkops/alloy,indera/alloy,xavierlacot/alloy,4talesa/alloy,jppope/alloy,FokkeZB/alloy,NadsonFernando/alloy,bhatfield/alloy