🐛 Allow http protocol for noscript > img fallbacks for parity with amp-img (#21686)
🐛 Allow http protocol for noscript > img fallbacks for parity with amp-img (#21686)

* Allow http protocol for noscript > img fallbacks for parity with amp-img

* Remove comment about why noscript>img allows http protocol

* Revert "Remove comment about why noscript>img allows http protocol"

This reverts commit bba1bb3f9baab07609ff449e4c54cbf9262ab66e.

* Remove obsolete allow_relative:true comment regarding noscript>img src

rsimha-amp/amphtml,smartadserver/amphtml,mhc-gh/amphtml,mhc-gh/amphtml,sharethrough/amphtml,yandex-pcode/amphtml,nexxtv/amphtml,ampproject/amphtml,media-net/amphtml,nexxtv/amphtml,lannka/amphtml,Gregable/amphtml,yandex-pcode/amphtml,taboola/amphtml,prateekbh/amphtml,taboola/amphtml,mhc-gh/amphtml,zhouyx/amphtml,honeybadgerdontcare/amphtml,ampproject/amphtml,prateekbh/amphtml,Gregable/amphtml,taboola/amphtml,mhc-gh/amphtml,erwinmombay/amphtml,ampproject/amphtml,yandex-pcode/amphtml,ampproject/amphtml,Gregable/amphtml,jmadler/amphtml,cory-work/amphtml,erwinmombay/amphtml,zhouyx/amphtml,voyagegroup/amphtml,yandex-pcode/amphtml,rsimha-amp/amphtml,zhangsu/amphtml,media-net/amphtml,src-code/amphtml,voyagegroup/amphtml,zhouyx/amphtml,jpettitt/amphtml,jridgewell/amphtml,adup-tech/amphtml,zhouyx/amphtml,smartadserver/amphtml,jmadler/amphtml,alanorozco/amphtml,nexxtv/amphtml,alanorozco/amphtml,adup-tech/amphtml,alanorozco/amphtml,Gregable/amphtml,adup-tech/amphtml,tlong2/amphtml,taboola/amphtml,adup-tech/amphtml,zhouyx/amphtml,ampproject/amphtml,media-net/amphtml,lannka/amphtml,tlong2/amphtml,jridgewell/amphtml,jmadler/amphtml,danielrozenberg/amphtml,lannka/amphtml,alanorozco/amphtml,zhangsu/amphtml,zhangsu/amphtml,honeybadgerdontcare/amphtml,danielrozenberg/amphtml,src-code/amphtml,zhouyx/amphtml,cory-work/amphtml,sharethrough/amphtml,honeybadgerdontcare/amphtml,jridgewell/amphtml,ampproject/amphtml,honeybadgerdontcare/amphtml,src-code/amphtml,jridgewell/amphtml,Gregable/amphtml,nexxtv/amphtml,Gregable/amphtml,rsimha-amp/amphtml,adup-tech/amphtml,Gregable/amphtml,jmadler/amphtml,cory-work/amphtml,tlong2/amphtml,cory-work/amphtml,danielrozenberg/amphtml,mhc-gh/amphtml,jridgewell/amphtml,sharethrough/amphtml,yandex-pcode/amphtml,lannka/amphtml,smartadserver/amphtml,voyagegroup/amphtml,smartadserver/amphtml,jmadler/amphtml,media-net/amphtml,taboola/amphtml,voyagegroup/amphtml,erwinmombay/amphtml,zhangsu/amphtml,danielrozenberg/amphtml,honeybadgerdontcare/amphtml,lannka/amphtml,Gregable/amphtml,tlong2/amphtml,src-code/amphtml,yandex-pcode/amphtml,jpettitt/amphtml,alanorozco/amphtml,rsimha-amp/amphtml,alanorozco/amphtml,zhangsu/amphtml,dotandads/amphtml,dotandads/amphtml,prateekbh/amphtml,nexxtv/amphtml,danielrozenberg/amphtml,danielrozenberg/amphtml,cory-work/amphtml,voyagegroup/amphtml,ampproject/amphtml,prateekbh/amphtml,cory-work/amphtml,sharethrough/amphtml,honeybadgerdontcare/amphtml,mhc-gh/amphtml,jridgewell/amphtml,erwinmombay/amphtml,zhouyx/amphtml,media-net/amphtml,danielrozenberg/amphtml,jridgewell/amphtml,prateekbh/amphtml,rsimha-amp/amphtml,jpettitt/amphtml,media-net/amphtml,danielrozenberg/amphtml,adup-tech/amphtml,tlong2/amphtml,prateekbh/amphtml,src-code/amphtml,cory-work/amphtml,prateekbh/amphtml,src-code/amphtml,media-net/amphtml,nexxtv/amphtml,rsimha-amp/amphtml,alanorozco/amphtml,jpettitt/amphtml,jpettitt/amphtml,dotandads/amphtml,jpettitt/amphtml,mhc-gh/amphtml,honeybadgerdontcare/amphtml,jmadler/amphtml,smartadserver/amphtml,zhangsu/amphtml,alanorozco/amphtml,jpettitt/amphtml,sharethrough/amphtml,voyagegroup/amphtml,dotandads/amphtml,erwinmombay/amphtml,dotandads/amphtml,taboola/amphtml,mhc-gh/amphtml,dotandads/amphtml,nexxtv/amphtml,lannka/amphtml,tlong2/amphtml,media-net/amphtml,voyagegroup/amphtml,rsimha-amp/amphtml,yandex-pcode/amphtml,jpettitt/amphtml,sharethrough/amphtml,erwinmombay/amphtml,ampproject/amphtml,lannka/amphtml,smartadserver/amphtml,taboola/amphtml