Clean up unused variables in viewport (#7195)
Clean up unused variables in viewport (#7195)


cory-work/amphtml,jpettitt/amphtml,powdercloud/amphtml,jridgewell/amphtml,erwinmombay/amphtml,sortable/amphtml,rlugojr/amphtml,sortable/amphtml,DAC-f1h-dev/amphtml,yandex-pcode/amphtml,laterpay/amphtml,honeybadgerdontcare/amphtml,zhouyx/amphtml,kixer-com/amphtml,cvializ/amphtml,lannka/amphtml,luciancrasovan/amphtml,clawr/amphtml,powdercloud/amphtml,alanorozco/amphtml,comScore/amphtml,JuliusThms/amphtml,vmarteev/amphtml,DAC-f1h-dev/amphtml,jpettitt/amphtml,lannka/amphtml,jdelhommeau/amphtml,mhc-gh/amphtml,comScore/amphtml,DarXector/amphtml,jpettitt/amphtml,Mobusi-ads/amphtml,fullspeed-sp/amphtml,kixer-com/amphtml,sharethrough/amphtml,media-net/amphtml,yieldmo/amphtml,media-net/amphtml,ampproject/amphtml,rajkumarsrk/amphtml,comScore/amphtml,bpaduch/amphtml,gumgum/amphtml,danielrozenberg/amphtml,laterpay/amphtml,koshka/amphtml,src-code/amphtml,src-code/amphtml,clawr/amphtml,engtat/amphtml,vmarteev/amphtml,luciancrasovan/amphtml,mhc-gh/amphtml,comScore/amphtml,tlong2/amphtml,pietergreyling/amphtml,kmh287/amphtml,voyagegroup/amphtml,luciancrasovan/amphtml,wjfang/amphtml,taboola/amphtml,prateekbh/amphtml,pedjoni8/amphtml,danielrozenberg/amphtml,sharethrough/amphtml,DarXector/amphtml,JuliusThms/amphtml,jmadler/amphtml,zhucl/amphtml,cory-work/amphtml,DistroScale/amphtml,smartadserver/amphtml,arealit/amphtml,sklobovskaya/amphtml,ecoron/amphtml,jridgewell/amphtml,DistroScale/amphtml,shawnbuso/amphtml,pedjoni8/amphtml,voyagegroup/amphtml,adiant/amphtml,JuliusThms/amphtml,wjfang/amphtml,kamtschatka/amphtml,koshka/amphtml,zhangsu/amphtml,BenDz/amphtml,ecoron/amphtml,DAC-f1h-dev/amphtml,avimehta/amphtml,aghassemi/amphtml,sebastianbenz/amphtml,dotandads/amphtml,Gregable/amphtml,widespace-os/amphtml,honeybadgerdontcare/amphtml,techhtml/amphtml,prateekbh/amphtml,cvializ/amphtml,widespace-os/amphtml,smartadserver/amphtml,yandex-pcode/amphtml,DistroScale/amphtml,taboola/amphtml,sriramkrish85/amphtml,techhtml/amphtml,ecoron/amphtml,Gregable/amphtml,kamtschatka/amphtml,BenDz/amphtml,wjfang/amphtml,koshka/amphtml,arealit/amphtml,kixer-com/amphtml,sklobovskaya/amphtml,ampproject/amphtml,sharethrough/amphtml,yandex-pcode/amphtml,danielrozenberg/amphtml,powdercloud/amphtml,zhucl/amphtml,chaveznvg/amphtml,Gregable/amphtml,koshka/amphtml,jpettitt/amphtml,danielrozenberg/amphtml,vmarteev/amphtml,zhangsu/amphtml,Gregable/amphtml,rlugojr/amphtml,voyagegroup/amphtml,sklobovskaya/amphtml,jmadler/amphtml,kixer-com/amphtml,Gregable/amphtml,ampproject/amphtml,gumgum/amphtml,jridgewell/amphtml,rajkumarsrk/amphtml,honeybadgerdontcare/amphtml,kixer-com/amphtml,burtcorp/amphtml,shawnbuso/amphtml,DarXector/amphtml,spotxchange/amphtml,jdelhommeau/amphtml,chaveznvg/amphtml,clawr/amphtml,clawr/amphtml,camelburrito/amphtml,voyagegroup/amphtml,powdercloud/amphtml,honeybadgerdontcare/amphtml,comScore/amphtml,shawnbuso/amphtml,widespace-os/amphtml,rsimha-amp/amphtml,jpettitt/amphtml,src-code/amphtml,arealit/amphtml,nexxtv/amphtml,ampproject/amphtml,jmadler/amphtml,DistroScale/amphtml,rsimha-amp/amphtml,Mobusi-ads/amphtml,donttrustthisbot/amphtml,pietergreyling/amphtml,burtcorp/amphtml,lannka/amphtml,burtcorp/amphtml,yieldmo/amphtml,clawr/amphtml,donttrustthisbot/amphtml,camelburrito/amphtml,keithwrightbos/amphtml,adup-tech/amphtml,ampproject/amphtml,burtcorp/amphtml,shawnbuso/amphtml,avimehta/amphtml,sriramkrish85/amphtml,fullspeed-sp/amphtml,shawnbuso/amphtml,Mobusi-ads/amphtml,BenDz/amphtml,pietergreyling/amphtml,burtcorp/amphtml,spotxchange/amphtml,kmh287/amphtml,laterpay/amphtml,adiant/amphtml,src-code/amphtml,jridgewell/amphtml,arealit/amphtml,taboola/amphtml,vmarteev/amphtml,alanorozco/amphtml,yieldbot/amphtml,pedjoni8/amphtml,yandex-pcode/amphtml,rsimha-amp/amphtml,arealit/amphtml,bpaduch/amphtml,mhc-gh/amphtml,cvializ/amphtml,sklobovskaya/amphtml,sklobovskaya/amphtml,rajkumarsrk/amphtml,yieldbot/amphtml,DAC-f1h-dev/amphtml,aghassemi/amphtml,adiant/amphtml,adup-tech/amphtml,sriramkrish85/amphtml,powdercloud/amphtml,zhouyx/amphtml,zhouyx/amphtml,sriramkrish85/amphtml,camelburrito/amphtml,camelburrito/amphtml,jpettitt/amphtml,zhangsu/amphtml,Adtoma/amphtml,nexxtv/amphtml,tlong2/amphtml,fullspeed-sp/amphtml,sebastianbenz/amphtml,gumgum/amphtml,adiant/amphtml,luciancrasovan/amphtml,Gregable/amphtml,alanorozco/amphtml,camelburrito/amphtml,tlong2/amphtml,rlugojr/amphtml,jmadler/amphtml,erwinmombay/amphtml,erwinmombay/amphtml,koshka/amphtml,rajkumarsrk/amphtml,avimehta/amphtml,zhouyx/amphtml,media-net/amphtml,bpaduch/amphtml,Adtoma/amphtml,rlugojr/amphtml,zhangsu/amphtml,wjfang/amphtml,engtat/amphtml,rajkumarsrk/amphtml,BenDz/amphtml,alanorozco/amphtml,sriramkrish85/amphtml,avimehta/amphtml,taboola/amphtml,prateekbh/amphtml,rsimha-amp/amphtml,gumgum/amphtml,powdercloud/amphtml,ADITION/amphtml,sebastianbenz/amphtml,keithwrightbos/amphtml,Mobusi-ads/amphtml,cory-work/amphtml,mhc-gh/amphtml,sortable/amphtml,adup-tech/amphtml,gumgum/amphtml,wjfang/amphtml,lzanol/amphtml,kamtschatka/amphtml,zhucl/amphtml,yieldbot/amphtml,voyagegroup/amphtml,clawr/amphtml,wjf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