remove non-portable Qb from lua.lua
remove non-portable Qb from lua.lua

tst2005/luarocks,xpol/luainstaller,ignacio/luarocks,robooo/luarocks,xpol/luavm,usstwxy/luarocks,robooo/luarocks,aryajur/luarocks,xpol/luainstaller,tst2005/luarocks,xpol/luarocks,starius/luarocks,ignacio/luarocks,xiaq/luarocks,luarocks/luarocks,keplerproject/luarocks,ignacio/luarocks,starius/luarocks,xpol/luavm,starius/luarocks,keplerproject/luarocks,coderstudy/luarocks,starius/luarocks,coderstudy/luarocks,xiaq/luarocks,lxbgit/luarocks,rrthomas/luarocks,tarantool/luarocks,aryajur/luarocks,keplerproject/luarocks,luarocks/luarocks,xpol/luarocks,xpol/luarocks,tst2005/luarocks,usstwxy/luarocks,xpol/luainstaller,tarantool/luarocks,xpol/luavm,xpol/luavm,rrthomas/luarocks,lxbgit/luarocks,leafo/luarocks,leafo/luarocks,rrthomas/luarocks,luarocks/luarocks,xiaq/luarocks,xiaq/luarocks,xpol/luainstaller,tarantool/luarocks,usstwxy/luarocks,robooo/luarocks,rrthomas/luarocks,aryajur/luarocks,usstwxy/luarocks,robooo/luarocks,coderstudy/luarocks,ignacio/luarocks,lxbgit/luarocks,xpol/luavm,coderstudy/luarocks,keplerproject/luarocks,leafo/luarocks,aryajur/luarocks,tst2005/luarocks,lxbgit/luarocks,xpol/luarocks