Remove images, only keep JSON and preview.png

packs/betterttv-gif/Clap.gif

packs/betterttv-gif/DonaldPls.gif

packs/betterttv-gif/README.md

packs/betterttv-gif/betterttv-gif.json

packs/betterttv-gif/blobDance.gif

packs/betterttv-gif/coffinPls.gif

packs/betterttv-gif/preview.png

packs/betterttv/AYAYA.png

packs/betterttv/AngelThump.png

packs/betterttv/ConcernDoge.png

packs/betterttv/D.png

packs/betterttv/FeelsAmazingMan.png

packs/betterttv/FeelsBadMan.png

packs/betterttv/FeelsBirthdayMan.png

packs/betterttv/FeelsGoodMan.png

packs/betterttv/FeelsPumpkinMan.png

packs/betterttv/HAhaa.png

packs/betterttv/HailHelix.png

packs/betterttv/LuL.png

packs/betterttv/OMEGALUL.png