vim: Allow <Left>,<Right> in visual/normal mode to cross lines
vim: Allow <Left>,<Right> in visual/normal mode to cross lines

This reverts d112e598af0a9fba87707eb90880b02411b0e3ee, which mistakenly
thought that the whichwrap issue, which allowed <h> and <l> to cross
lines in visual/normal mode, was caused by my "set ww" line; in reality,
it was caused by the Pencil plugin, which was removed by
9889fdde94acb660834eb0f5f11bacbf5200636c.

achalddave/dotfiles,achalddave/dotfiles