Revert "twitpic.lua: better url scraping"
Revert "twitpic.lua: better url scraping"

This reverts commit 1c3f802ac9b5bcd6b6e25c2d5f5d11fe2a64793a.

ArchiveTeam/twitpic-grab,ArchiveTeam/twitpic-grab,ArchiveTeam/twitpic-grab