[git] Revert to `*.sw[a-z]` for swap ignores
[git] Revert to `*.sw[a-z]` for swap ignores

`*.s[a-w][a-z]` doesn't work well as it included files such as `.svg`
and `.sql`. Also, in use, I haven't yet got to the second letter, so
sticking to `*.sw[a-z]` should be fine.

Ref: http://vimdoc.sourceforge.net/htmldoc/recover.html#E326

christophermoura/dotfiles,christophermoura/dotfiles,codelandev/init-setup,stevenirby/dotfiles-1,makabde/dotfiles,khornberg/dotfiles,EDiLD/dotfiles,mickael83/ubuntu-dotfiles,oddlord/dotfiles,sophatvathana/dotfiles,EDiLD/dotfiles,zlot/dotfiles,newtonne/dotfiles,girishramnani/dotfiles,b-boogaard/dotfiles,AlbertoElias/dotfiles,mickael83/ubuntu-dotfiles,zlot/dotfiles,girishramnani/dotfiles,wingy3181/dotfiles,wingy3181/dotfiles,makabde/dotfiles,newtonne/dotfiles,wingy3181/dotfiles,AlbertoElias/dotfiles,pbrooks/dotfiles