remove null options guard
remove null options guard

no need to check for null options here as the first line of the
function already assumes an options object.

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