Remove shorten_home
Remove shorten_home

False positive lint error

Error while checking segment arguments (key /segments/left/list item 4/args)
  in "/Users/phatblat/.config/powerline/themes/shell/phatblat.json", line 26, column 25:
                    "args": {
                            ^
found unknown keys: shorten_home
  in "/Users/phatblat/.config/powerline/themes/shell/phatblat.json", line 29, column 21:
                        "shorten_home": false
                        ^

phatblat/dotfiles,phatblat/dotfiles,phatblat/dotfiles,phatblat/dotfiles,phatblat/dotfiles,phatblat/dotfiles