Update tipbot-twitter.md (#665)
Update tipbot-twitter.md (#665)

removed the magic word `lbryian` and made some changes to the tweet links, withdraw seems to require the amount before it works, so i updated that as well. withdraw command alone does not work example; https://twitter.com/TrendsPremium/status/1015249162445697025
lbryio/lbry.io,lbryio/lbry.io,lbryio/lbry.io,lbryio/lbry.io