removing redundant attributes check.
removing redundant attributes check.

FishbaitHarry/backbone,honger05/backbone,Krasnyanskiy/backbone,dillonforrest/backbone-df,jewsroch/backbone,componentizr/backbone,braddunbar/backbone,IsoldaJS/isolda-pubsub,wangcan2014/backbone,ereddate/backbone,jstrimpel/backbone,Bug2014/backbone,gmaclennan/backbone,aihua/backbone,ntgn81/backbone,huanglp47/backbone,wushuyi/backbone,dak/backbone,GrimDerp/backbone,elma-cao/backbone,ntgn81/backbone,wangdahoo/backbone,paulfalgout/backbone,LovelyL25/backbone.js,ThiagoGarciaAlves/backbone,jridgewell/backbone,tzkKrbys/backbone,wxmfront/backbone,jridgewell/backbone,cgvarela/backbone,getshuvo/backbone,JesseQin/backbone,mmolinastudio/backbone,premkumargithub/backbone,dillonforrest/backbone-df-2,nikolas/backbone,craigmichaelmartin/backbone,mrblueblue/backbone,jmeas/backbone,FormidableLabs/backbone,streamablevideo/backbone,Connectlegendary/backbone,fanhc019/backbone,tgriesser/backbone,elma-cao/backbone,moccen/backbone,wangdahoo/backbone,lujocom/backbone,vin100bk/backbone,Krasnyanskiy/backbone,mpapp/backbone,wakanpaladin/mybackbone,yuhualingfeng/backbone,yawenl/backbone,sumyfly/backbone,tibic/backbone,elancom/backbone,ohbarye/backbone,closeio/backbone,christianqw/backbone,tadwhitaker/backbone,sumyfly/backbone,edgeware/backbone,christianqw/backbone,zhangdimelody/backbone,craigmichaelmartin/backbone,heroazure/backbone,Khan/backbone,anhtholee/backbone,webapp/library,Flip120/backbone,jstrimpel/backbone,darrrk/backbone,ywenjinlin/backbone,addyosmani/backbone,7213/backbone,premkumargithub/backbone,braddunbar/backbone,neocotic/hipbone,moimikey/backbone,akre54/backbone,platinumazure/backbone,aihua/backbone,au-phiware/backbone,webcoding/backbone,Bug2014/backbone,timebackzhou/backbone,neocotic/hipbone,ppker/backbone,ereddate/backbone,ThisIsManta/Backbone,howtolearntocode/backbone,DannyDelott/backbone,kuychaco/backbone,chyeh727/backbone,zdespolit/backbone,ridixcr/backbone,JesseQin/backbone,zhangwei001/backbone,moccen/backbone,howtolearntocode/backbone,jungjung917/backbone,vlazzle/ax-todos,dcheepurupalli/backbone,vlazzle/ax-todos,ridixcr/backbone,guahanweb/backbone,Diwahars/backbone,wakanpaladin/mybackbone,virtru-components/backbone,amitpatange88/backbonejs,vincent1988/backbone,zdespolit/backbone,gougouGet/backbone,Sachin-Ganesh/backbone,nvoron23/backbone,anhtholee/backbone,ThisIsManta/Backbone,lastjune/backbone,streamablevideo/backbone,maryrosecook/backbone-df-2,maryrosecook/backbone-df,luffy94608/backbone,zgl2007dj/backbone,megawac/backbone,rjz/boneless,npmcomponent/solutionio-backbone,dillonforrest/backbone-df-2,jashkenas/backbone,pandoraui/backbone,zhangdimelody/backbone,udhayam/backbone,wxmfront/backbone,amdjs/backbone,liudianpeng/backbone,amitpatange88/backbonejs,sitexa/backbone,IsoldaJS/isolda-models,maryrosecook/backbone-df,ThiagoGarciaAlves/backbone,darrrk/backbone,huanglp47/backbone,Sachin-Ganesh/backbone,cailong1028/backbone,7213/backbone,rashmisajjan/backbone,Khan/backbone,vin100bk/backbone,wjb12/backbone,nvoron23/backbone,Flip120/backbone,au-phiware/backbone,ywenjinlin/backbone,jewsroch/backbone,trizko/backbone,maryrosecook/backbone-df-2,tadwhitaker/backbone,trizko/backbone,mmolinastudio/backbone,sunday-star/backbone,linalu1/backbone,jasoncbautista/backboneX,dak/backbone,jungjung917/backbone,npmcomponent/solutionio-backbone,wangcan2014/backbone,guigrpa/backbone,gmaclennan/backbone,dillonforrest/backbone-df,dcheepurupalli/backbone,GerHobbelt/backbone,webapp/library,Niades/backbone,rashmisajjan/backbone,yuhualingfeng/backbone,feychenie/backbone,Niades/backbone,linalu1/backbone,Diwahars/backbone,elancom/backbone,alekskorolev/lightbones,chyeh727/backbone,tibic/backbone,antoniogarrote/backbone,malandrew/backbone,zhoufan879/backbone,gfranko/backbone,closeio/backbone,ohbarye/backbone,ebsco/backbone,timebackzhou/backbone,Connectlegendary/backbone,sueyeh/backbone,DannyDelott/backbone,nikolas/backbone,moimikey/backbone,christianqw/backbone,zgl2007dj/backbone,yawenl/backbone,Aplopio/backbone,udhayam/backbone,Akkuma/backbone,leimd/backbone,d2s/backbone,lujocom/backbone,GrimDerp/backbone,paulfalgout/backbone,batigoal1980/backbone_example,pandoraui/backbone,gdi2290/backbone,Aplopio/backbone,malandrew/backbone,vincent1988/backbone,maryrosecook/backbone-df,leimd/backbone,tzkKrbys/backbone,dillonforrest/backbone-df-2,jmeas/backbone,guahanweb/backbone,batigoal1980/backbone_example,alekskorolev/lightbones,youprofit/backbone,gitterHQ/backbone,gougouGet/backbone,d2s/backbone,ebsco/backbone,oss-practice/backbone,kuychaco/backbone,luffy94608/backbone,zhoufan879/backbone,embarknow/backbone,dillonforrest/backbone-df,jordansexton/backboner,mrblueblue/backbone,Aplopio/backbone,youprofit/backbone,embarknow/backbone,GerHobbelt/backbone,cailong1028/backbone,heroazure/backbone,cgvarela/backbone,webcoding/backbone,getshuvo/backbone,sueyeh/backbone,edgeware/backbone,lastjune/backbone,zhangwei001/backbone,wushuyi/backbone,gfranko/backbone,jashkenas/backbone,maryrosecook/backbone-df-2,sunday-star/backbone,wjb12/backbone,hugohua/backbone,FishbaitHarry/backbone,Khan/backbone,ppker/backbone,addyosmani/backbone,sitexa/backbone,npmcomponent/jashkenas-backbone,platinumazure/backbone,liudianpeng/backbone,feychenie/backbone,honger05/backbone,fanhc019/backbone,LovelyL25/backbone.js,akre54/backbone