[split] Move fox theme to oh-my-fish/theme-fox

https://github.com/oh-my-fish/theme-fox

themes/fox/README.md

@@ -1,5 +0,0 @@
-## fox
-
-cloned from oh-my-zsh.
-
-![fox theme](http://i60.tinypic.com/2myaibn.jpg)

themes/fox/fish_prompt.fish

@@ -1,42 +0,0 @@
-function fish_prompt
-  # Cache exit status
-  set -l last_status $status
-
-  # Just calculate these once, to save a few cycles when displaying the prompt
-  if not set -q __fish_prompt_hostname
-    set -g __fish_prompt_hostname (hostname|cut -d . -f 1)
-  end
-  if not set -q __fish_prompt_char
-    switch (id -u)
-      case 0
-	set -g __fish_prompt_char '#'
-      case '*'
-	set -g __fish_prompt_char '>'
-    end
-  end
-
-  # Setup colors
-  set -l normal (set_color normal)
-  set -l red (set_color red)
-  set -l cyan (set_color cyan)
-  set -l white (set_color white)
-
-  # Configure __fish_git_prompt
-  set -g __fish_git_prompt_char_stateseparator ' '
-  set -g __fish_git_prompt_color white
-  set -g __fish_git_prompt_color_flags red
-  set -g __fish_git_prompt_color_prefix cyan
-  set -g __fish_git_prompt_color_suffix cyan
-  set -g __fish_git_prompt_showdirtystate true
-  set -g __fish_git_prompt_showuntrackedfiles true
-  set -g __fish_git_prompt_showstashstate true
-  set -g __fish_git_prompt_show_informative_status true
-  
-  # Line 1
-  echo -n $cyan'┌['$white$USER$cyan'@'$white$__fish_prompt_hostname$cyan']'$white'-'$cyan'('$white(prompt_pwd)$cyan')'
-  __fish_git_prompt "-[git://%s]-"
-  echo
-
-  # Line 2
-  echo -n $cyan'└'$__fish_prompt_char $normal
-end