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

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

themes/l/fish_prompt.fish

@@ -1,29 +0,0 @@
-# name: L
-function _git_branch_name
-  echo (command git symbolic-ref HEAD ^/dev/null | sed -e 's|^refs/heads/||')
-end
-
-function _is_git_dirty
-  echo (command git status -s --ignore-submodules=dirty ^/dev/null)
-end
-
-function fish_prompt
-  set -l blue (set_color blue)
-  set -l green (set_color green)
-  set -l normal (set_color normal)
-
-  set -l arrow "λ"
-  set -l cwd $blue(basename (prompt_pwd))
-
-  if [ (_git_branch_name) ]
-    set git_info $green(_git_branch_name)
-    set git_info ":$git_info"
-
-    if [ (_is_git_dirty) ]
-      set -l dirty "*"
-      set git_info "$git_info$dirty"
-    end
-  end
-
-  echo -n -s $cwd $git_info $normal ' ' $arrow ' '
-end

themes/l/fish_right_prompt.fish

@@ -1,29 +0,0 @@
-# To show the right prompt please set
-# set theme_display_rbenv 'yes' (config.fish)
-# set theme_display_rbenv_gemset 'yes' (config.fish)
-
-function _ruby_version
-  echo (command rbenv version-name | sed 's/\n//')
-end
-
-function _ruby_gemset
-  echo (command rbenv gemset active ^/dev/null | sed -e 's| global||')
-end
-
-function fish_right_prompt
-  if [ "$theme_display_rbenv" = 'yes' ]
-    set -l red (set_color red)
-    set -l normal (set_color normal)
-
-    set ruby_info $red(_ruby_version)
-
-    if [ "$theme_display_rbenv_gemset" = 'yes' ]
-      if [ (_ruby_gemset) ]
-        set -l ruby_gemset $red(_ruby_gemset)
-        set ruby_info "$ruby_info@$ruby_gemset"
-      end
-    end
-
-    echo -n -s $ruby_info $normal
-  end
-end

themes/l/readme.md

@@ -1,25 +0,0 @@
-## l
-
-A theme inspired by [oh-my-zsh](https://github.com/robbyrussell/oh-my-zsh/blob/master/themes/lambda.zsh-theme)'s [lambda](http://zshthem.es/screenshots/lambda.png) theme.
-
-![](http://f.cl.ly/items/2J3M0f2X1j3u471y080I/2.png)
-![](http://f.cl.ly/items/2S25360U1p360E0D2u2g/3.png)
-![](http://f.cl.ly/items/1w0s0Q3x3r2Z1F1l011k/4.png)
-
-#### Characteristics
-
-* Current branch
-* Dirty working directory
-* Working directory
-
-Only if fish_theme_l_right_prompt variable is set true within config.fish
-
-```fish
-set theme_display_rbenv 'yes'
-set theme_display_rbenv_gemset 'yes'
-```
-
-* Rbenv Ruby Version
-* Rbenv Ruby Gemset
-
-![](http://f.cl.ly/items/0f0k3o2L3y2q1L3g1R1X/5.png)