Remove irrelevant amp-bind doc for email (#27325)
Remove irrelevant amp-bind doc for email (#27325)

`<source>` and `<track>` are not allowed in emails.
smartadserver/amphtml,sharethrough/amphtml,smartadserver/amphtml,voyagegroup/amphtml,alanorozco/amphtml,jpettitt/amphtml,smartadserver/amphtml,lannka/amphtml,jridgewell/amphtml,adup-tech/amphtml,lannka/amphtml,zhouyx/amphtml,taboola/amphtml,zhouyx/amphtml,danielrozenberg/amphtml,voyagegroup/amphtml,smartadserver/amphtml,Gregable/amphtml,Gregable/amphtml,danielrozenberg/amphtml,voyagegroup/amphtml,jmadler/amphtml,nexxtv/amphtml,sharethrough/amphtml,zhouyx/amphtml,jridgewell/amphtml,adup-tech/amphtml,yandex-pcode/amphtml,Gregable/amphtml,lannka/amphtml,zhouyx/amphtml,sharethrough/amphtml,rsimha-amp/amphtml,media-net/amphtml,taboola/amphtml,prateekbh/amphtml,yandex-pcode/amphtml,prateekbh/amphtml,rsimha-amp/amphtml,yandex-pcode/amphtml,prateekbh/amphtml,jridgewell/amphtml,danielrozenberg/amphtml,lannka/amphtml,media-net/amphtml,media-net/amphtml,honeybadgerdontcare/amphtml,media-net/amphtml,mhc-gh/amphtml,Gregable/amphtml,jridgewell/amphtml,voyagegroup/amphtml,jmadler/amphtml,voyagegroup/amphtml,jmadler/amphtml,zhouyx/amphtml,jpettitt/amphtml,alanorozco/amphtml,alanorozco/amphtml,jmadler/amphtml,jpettitt/amphtml,jridgewell/amphtml,nexxtv/amphtml,danielrozenberg/amphtml,mhc-gh/amphtml,taboola/amphtml,ampproject/amphtml,ampproject/amphtml,ampproject/amphtml,smartadserver/amphtml,mhc-gh/amphtml,danielrozenberg/amphtml,Gregable/amphtml,alanorozco/amphtml,ampproject/amphtml,smartadserver/amphtml,Gregable/amphtml,prateekbh/amphtml,nexxtv/amphtml,lannka/amphtml,honeybadgerdontcare/amphtml,adup-tech/amphtml,honeybadgerdontcare/amphtml,alanorozco/amphtml,voyagegroup/amphtml,zhouyx/amphtml,nexxtv/amphtml,yandex-pcode/amphtml,adup-tech/amphtml,nexxtv/amphtml,jridgewell/amphtml,mhc-gh/amphtml,voyagegroup/amphtml,jpettitt/amphtml,nexxtv/amphtml,media-net/amphtml,taboola/amphtml,rsimha-amp/amphtml,prateekbh/amphtml,ampproject/amphtml,media-net/amphtml,yandex-pcode/amphtml,nexxtv/amphtml,jpettitt/amphtml,rsimha-amp/amphtml,prateekbh/amphtml,taboola/amphtml,rsimha-amp/amphtml,honeybadgerdontcare/amphtml,Gregable/amphtml,jridgewell/amphtml,ampproject/amphtml,danielrozenberg/amphtml,sharethrough/amphtml,lannka/amphtml,jpettitt/amphtml,yandex-pcode/amphtml,ampproject/amphtml,mhc-gh/amphtml,jmadler/amphtml,danielrozenberg/amphtml,zhouyx/amphtml,taboola/amphtml,honeybadgerdontcare/amphtml,Gregable/amphtml,sharethrough/amphtml,rsimha-amp/amphtml,danielrozenberg/amphtml,adup-tech/amphtml,media-net/amphtml,mhc-gh/amphtml,mhc-gh/amphtml,adup-tech/amphtml,honeybadgerdontcare/amphtml,sharethrough/amphtml,taboola/amphtml,ampproject/amphtml,prateekbh/amphtml,honeybadgerdontcare/amphtml,mhc-gh/amphtml,jpettitt/amphtml,media-net/amphtml,yandex-pcode/amphtml,lannka/amphtml,alanorozco/amphtml,jpettitt/amphtml,rsimha-amp/amphtml,alanorozco/amphtml,alanorozco/amphtml,jmadler/amphtml