_.restArgs cleanup
_.restArgs cleanup

Two points:
- Use restArgs to cleanup `_.zip` method
- Undo a performance regression @akre54 [mentioned](https://github.com/jashkenas/underscore/pull/2140/files#r28144086)
Gimcrack/underscore,jashkenas/underscore,jordanwink201/underscore,WangRex/underscore,rlugojr/underscore,Forever8/underscore,mairasala/underscore,janocat/underscore,Joanna913/underscore,aziz-boudi4/underscore,zabefloyd/underscore,ligson/underscore,aziz-boudi4/underscore,falqas/underscore,lis186/underscore,jordanwink201/underscore,kuychaco/underscore,WangRex/underscore,documentcloud/underscore,kwangkim/underscore,colemakdvorak/underscore,Joanna913/underscore,craigmichaelmartin/underscore,mjhasbach/underscore,lqjack/underscore,cintiamh/underscore,sdwang/underscore,cgvarela/underscore,mitar/underscore,jpalomar/underscore,strongconjunctions/underscore,wxmfront/underscore,jolthoff/underscore,jpalomar/underscore,PengShi-sp/underscore,thisismygithub/underscore,vincent1988/underscore,irr/underscore,zhangguangyong/underscore,huangnan1/2016gitStudy,Tim-Zhang/underscore,jashkenas/underscore,debutt/underscore,jdelbello/underscore,kairyan/underscore,thiswildorchid/underscore,veg/underscore,keepgoingwm/underscore,liminghui/underscore,cgvarela/underscore,jianganglu/underscore,kuychaco/underscore,ereddate/underscore,natac13/underscore,platinumazure/underscore,jfarid27/underscore,ijidan/underscore,mjhasbach/underscore,vinodbonala/underscore,mdboop/underscore,singhsterabhi/underscore,ElseZhang/underscore,Forever8/underscore,lucasfanning/underscore,kairyan/underscore,liyandalmllml/underscore,dfurtado/underscore,documentcloud/underscore,yuhualingfeng/underscore,gougouGet/underscore,huzion/underscore,PengShi-sp/underscore,platinumazure/underscore,roychen-7/underscore,youprofit/underscore,Yangani/underscore,mdboop/underscore,premkumargithub/underscore,dfurtado/underscore,jiankers/underscore,ryanwholey/underscore,huangnan1/2016gitStudy,dxuehu/underscore,strongconjunctions/underscore,lis186/underscore,natac13/underscore,thiswildorchid/underscore,zhangguangyong/underscore,ThiagoGarciaAlves/underscore,liyandalmllml/underscore,xiaoqiang730730/underscore,rlugojr/underscore,beenlee/underscore,lqjack/underscore,jianganglu/underscore,craigmichaelmartin/underscore,prosenjit-itobuz/underscore,JoaquinSiabra/underscore,ThiagoGarciaAlves/underscore,Feiyang1/underscore,JoaquinSiabra/underscore,wjb12/underscore,nickkneafsey/underscore,ijidan/underscore,yuhualingfeng/underscore,imsingh/underscore,dxuehu/underscore,irr/underscore,JonAbrams/underscore,Feiyang1/underscore,wjb12/underscore,liminghui/underscore,mairasala/underscore,SerenoShen/underscore,PUSEN/underscore,lucasfanning/underscore,vincent1988/underscore,jolthoff/underscore,cintiamh/underscore,Gimcrack/underscore,keepgoingwm/underscore,jiankers/underscore,colemakdvorak/underscore,SerenoShen/underscore,mitar/underscore,tnga/underscore-es,JonAbrams/underscore,cnwhy/underscore,dkusch/underscore,jridgewell/underscore,veg/underscore,jonot/underscore,yekg880809/underscore,premkumargithub/underscore,elancom/underscore,jdelbello/underscore,debutt/underscore,huzion/underscore,greyhwndz/underscore,prosenjit-itobuz/underscore,janocat/underscore,elancom/underscore,polandeme/underscore,oss6/underscore,PUSEN/underscore,jfarid27/underscore,akre54/underscore,akre54/underscore,falqas/underscore,SeriaWei/underscore,bkillenit/underscore,oss6/underscore,Tim-Zhang/underscore,imsingh/underscore,dkusch/underscore,kwangkim/underscore,greyhwndz/underscore,bkillenit/underscore,polandeme/underscore,thisismygithub/underscore,roychen-7/underscore,tnga/underscore-es,singhsterabhi/underscore,vinodbonala/underscore,snackshen/underscore,yekg880809/underscore,emiel187/underscore,SeriaWei/underscore,ereddate/underscore,wxmfront/underscore,ElseZhang/underscore,jridgewell/underscore,jonot/underscore,nickkneafsey/underscore,gougouGet/underscore,xiaoqiang730730/underscore,ryanwholey/underscore,ligson/underscore,youprofit/underscore,emiel187/underscore,snackshen/underscore,beenlee/underscore,sdwang/underscore,zabefloyd/underscore,cnwhy/underscore,Yangani/underscore