[Dev-luatex] removed some features

HI, Today's commits: * build only the library for lua, thus removing the need for readline and ncurses * use a private web2c.ch change file instead of tex.ch * removed mltex from web2c.ch * removed enctex from web2c.ch Cheers, Taco Cron Daemon wrote:

U luatex/src/texk/web2c/luatexdir/web2c.ch