fix(gulpfile): remove duplicate var declaration for fs in gulpfile
fix(gulpfile): remove duplicate var declaration for fs in gulpfile

bpaduch/amphtml,AaronCritchley/amphtml,criteo-forks/amphtml,aghassemi/amphtml,DAC-f1h-dev/amphtml,erwinmombay/amphtml,powdercloud/amphtml,dvoytenko/amphtml,rajkumarsrk/amphtml,kmh287/amphtml,yevheniiminin/amphtml,jmadler/amphtml,camelburrito/amphtml,taboola/amphtml,nekodo/amphtml,nekodo/amphtml,kmh287/amphtml,smartadserver/amphtml,criteo-forks/amphtml,alanorozco/amphtml,rsimha-amp/amphtml,sharethrough/amphtml,BenDz/amphtml-atinternet,jdelhommeau/amphtml,mlb7687/amphtml,burtcorp/amphtml,arealit/amphtml,danielrozenberg/amphtml,tdrl/amphtml,koshka/amphtml,shawnbuso/amphtml,kmh287/amphtml,yandex-pcode/amphtml,comScore/amphtml,gumgum/amphtml,laterpay/amphtml,taboola/amphtml,rsimha-amp/amphtml,fullspeed-sp/amphtml,avimehta/amphtml,kamtschatka/amphtml,ColombiaAnalytics/amphtml,Mixpo/amphtml,laterpay/amphtml,donttrustthisbot/amphtml,smartadserver/amphtml,rajkumarsrk/amphtml,yieldbot/amphtml,dvoytenko/amphtml,adiant/amphtml,jaboc83/amphtml,ecoron/amphtml,lannka/amphtml,adup-tech/amphtml,JuliusThms/amphtml,dotandads/amphtml,yevheniiminin/amphtml,taboola/amphtml,sebastianbenz/amphtml,widespace-os/amphtml,danielrozenberg/amphtml,fullspeed-sp/amphtml,ampproject/amphtml,ericlindley-g/amphtml,ampproject/amphtml,ADITION/amphtml,jridgewell/amphtml,chaveznvg/amphtml,interspacejp/amphtml,aghassemi/amphtml,simplereach/amphtml,zhucl/amphtml,luciancrasovan/amphtml,spotxchange/amphtml,Adtoma/amphtml,JuliusThms/amphtml,jpettitt/amphtml,cvializ/amphtml,laterpay/amphtml,jridgewell/amphtml,yandex-pcode/amphtml,jlucero-contentad/amphtml,Gregable/amphtml,BrightcoveOS/amphtml,cory-work/amphtml,Meggin/amphtml,sortable/amphtml,jpettitt/amphtml,prateekbh/amphtml,kamtschatka/amphtml,bpaduch/amphtml,jmadler/amphtml,pietergreyling/amphtml,sriramkrish85/amphtml,criteo-forks/amphtml,dvoytenko/amphtml,bpaduch/amphtml,zhucl/amphtml,BrightcoveOS/amphtml,bpaduch/amphtml,nexxtv/amphtml,techhtml/amphtml,amoad-amoe/amphtml,bpaduch/amphtml,kmh287/amphtml,wjfang/amphtml,jlucero-contentad/amphtml,dotandads/amphtml,jasti/amphtml,mhc-gh/amphtml,ampproject/amphtml,media-net/amphtml,src-code/amphtml,NataliaLKB/amphtml,ithinkihaveacat/amphtml,ecoron/amphtml,burtcorp/amphtml,sklobovskaya/amphtml,lzanol/amphtml,honeybadgerdontcare/amphtml,kixer-com/amphtml,Gregable/amphtml,Mobusi-ads/amphtml,adiant/amphtml,Re-lM/amphtml,jridgewell/amphtml,nexxtv/amphtml,donttrustthisbot/amphtml,rlugojr/amphtml,rifler/amphtml,rlugojr/amphtml,pedjoni8/amphtml,zhouyx/amphtml,adtechnology/amphtml,vmarteev/amphtml,sklobovskaya/amphtml,mlb7687/amphtml,BrightcoveOS/amphtml,Lith/amphtml,pietergreyling/amphtml,Gregable/amphtml,yandex-pcode/amphtml,mhc-gh/amphtml,jdelhommeau/amphtml,dotandads/amphtml,DAC-f1h-dev/amphtml,jmadler/amphtml,smartadserver/amphtml,nekodo/amphtml,rajkumarsrk/amphtml,jmadler/amphtml,loic-seguin/amphtml,galeksic/amphtml,donttrustthisbot/amphtml,burtcorp/amphtml,jpettitt/amphtml,ruturajv-media-net/amphtml,clawr/amphtml,jpettitt/amphtml,yieldmo/amphtml,rlugojr/amphtml,criteo-forks/amphtml,zhangsu/amphtml,dotandads/amphtml,mkhatib/amphtml,lannka/amphtml,Re-lM/amphtml,clawr/amphtml,cory-work/amphtml,engtat/amphtml,media-net/amphtml,plista/amphtml,Lith/amphtml,cvializ/amphtml,pedjoni8/amphtml,AaronCritchley/amphtml,prateekbh/amphtml,sebastianbenz/amphtml,yevheniiminin/amphtml,adtechnology/amphtml,ithinkihaveacat/amphtml,DarXector/amphtml,jmadler/amphtml,tlong2/amphtml,cory-work/amphtml,arealit/amphtml,mkhatib/amphtml,ruturajv-media-net/amphtml,adup-tech/amphtml,taboola/amphtml,aghassemi/amphtml,engtat/amphtml,clawr/amphtml,luciancrasovan/amphtml,alanorozco/amphtml,zhucl/amphtml,arealit/amphtml,ColombiaAnalytics/amphtml,prateekbh/amphtml,koshka/amphtml,BenDz/amphtml-atinternet,rsimha-amp/amphtml,pietergreyling/amphtml,honeybadgerdontcare/amphtml,lannka/amphtml,comScore/amphtml,gumgum/amphtml,nekodo/amphtml,voyagegroup/amphtml,voyagegroup/amphtml,donttrustthisbot/amphtml,fullspeed-sp/amphtml,zhouyx/amphtml,ColombiaAnalytics/amphtml,Gregable/amphtml,chaveznvg/amphtml,simplereach/amphtml,zhangsu/amphtml,adtechnology/amphtml,gumgum/amphtml,jlucero-contentad/amphtml,powdercloud/amphtml,arealit/amphtml,NataliaLKB/amphtml,tlong2/amphtml,smartadserver/amphtml,luciancrasovan/amphtml,chaveznvg/amphtml,wjfang/amphtml,comScore/amphtml,smartadserver/amphtml,keithwrightbos/amphtml,lzanol/amphtml,mhc-gh/amphtml,techhtml/amphtml,kixer-com/amphtml,interspacejp/amphtml,Lith/amphtml,ericlindley-g/amphtml,mhc-gh/amphtml,nexxtv/amphtml,britice/amphtml,koshka/amphtml,rifler/amphtml,galeksic/amphtml,ADITION/amphtml,interspacejp/amphtml,erwinmombay/amphtml,alanorozco/amphtml,keithwrightbos/amphtml,ampproject/amphtml,ecoron/amphtml,plista/amphtml,erwinmombay/amphtml,danielrozenberg/amphtml,rlugojr/amphtml,britice/amphtml,interspacejp/amphtml,luciancrasovan/amphtml,tlong2/amphtml,nexxtv/amphtml,nathangoulding/amphtml,Lith/amphtml,tlong2/amphtml,src-code/amphtml,sortable/amphtml,rajkumarsrk/amphtml,lannka/amphtml,dvoytenko/amphtml,fullspeed-sp/amphtml,laterpay/amphtml,fullspeed-sp/amphtml,cory-wo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amphtml,Mixpo/amphtml,rsimha-amp/amphtml,cory-work/amphtml,kamtschatka/amphtml,widespace-os/amphtml,mhc-gh/amphtml,criteo-forks/amphtml,jasti/amphtml,DistroScale/amphtml,avimehta/amphtml,DistroScale/amphtml,clawr/amphtml,amoad-amoe/amphtml,sebastianbenz/amphtml,widespace-os/amphtml,koshka/amphtml,tlong2/amphtml,erwinmombay/amphtml,taboola/amphtml,powdercloud/amphtml,jasti/amphtml,jdelhommeau/amphtml,yieldmo/amphtml,arealit/amphtml,lugray/amphtml,media-net/amphtml,alanorozco/amphtml,pedjoni8/amphtml,smartadserver/amphtml,Lith/amphtml,erwinmombay/amphtml,aghassemi/amphtml,alanorozco/amphtml,ericlindley-g/amphtml,laterpay/amphtml,voyagegroup/amphtml,BrightcoveOS/amphtml,Lith/amphtml,loic-seguin/amphtml,vmarteev/amphtml,BenDz/amphtml,cvializ/amphtml,ithinkihaveacat/amphtml,jasti/amphtml,ampproject/amphtml,amoad-amoe/amphtml,lannka/amphtml,kamtschatka/amphtml,kmh287/amphtml,devjsun/amphtml,pietergreyling/amphtml,jridgewell/amphtml,adtechnology/amphtml,plista/amphtml,dvoytenko/amphtml,rajkumarsrk/amphtml,jridgewell/amphtml,avimehta/amphtml,cvializ/amphtml,gumgum/amphtml,sharethrough/amphtml,burtcorp/amphtml,devjsun/amphtml,shawnbuso/amphtml,lannka/amphtml,clawr/amphtml,vmarteev/amphtml,JuliusThms/amphtml,ericlindley-g/amphtml,cory-work/amphtml,camelburrito/amphtml,Mobusi-ads/amphtml,wjfang/amphtml,keithwrightbos/amphtml,mkhatib/amphtml,yandex-pcode/amphtml,vmarteev/amphtml,triplelift/amphtml,yandex-pcode/amphtml,sklobovskaya/amphtml,zhucl/amphtml,simplereach/amphtml,devjsun/amphtml,adup-tech/amphtml,DarXector/amphtml,engtat/amphtml,ADITION/amphtml,mkhatib/amphtml,loic-seguin/amphtml,widespace-os/amphtml,DistroScale/amphtml,jdelhommeau/amphtml,tdrl/amphtml,chrisbrent/amphtml,rajkumarsrk/amphtml,voyagegroup/amphtml,dvoytenko/amphtml,lzanol/amphtml,yieldmo/amphtml,danielrozenberg/amphtml,adiant/amphtml,ruturajv-media-net/amphtml,ampproject/amphtml,wjfang/amphtml,ericlindley-g/amphtml,laterpay/amphtml,lannka/amphtml,zhangsu/amphtml,sklobovskaya/amphtml,sriramkrish85/amphtml,honeybadgerdontcare/amphtml,plista/amphtml,comScore/amphtml,galeksic/amphtml,aghassemi/amphtml,devjsun/amphtml,lugray/amphtml,BenDz/amphtml,Mixpo/amphtml,vmarteev/amphtml,spotxchange/amphtml,jdelhommeau/amphtml,media-net/amphtml,kmh287/amphtml,cory-work/amphtml,danielrozenberg/amphtml,erwinmombay/amphtml,BenDz/amphtml,alanorozco/amphtml,cvializ/amphtml,rlugojr/amphtml,NataliaLKB/amphtml,zhangsu/amphtml,zhangsu/amphtml,jaboc83/amphtml,jasti/amphtml,shawnbuso/amphtml,rifler/amphtml,tlong2/amphtml,zhangsu/amphtml,powdercloud/amphtml,avimehta/amphtml,sklobovskaya/amphtml,JuliusThms/amphtml,Mixpo/amphtml,jasti/amphtml,sriramkrish85/amphtml,Meggin/amphtml,luciancrasovan/amphtml