remove old code

vimscript/functions.vim

@@ -23,23 +23,3 @@ command! ResetHunk lua require 'nv-utils'.reset_hunk()
 command! ResetBuffer lua require 'nv-utils'.reset_buffer()
 command! PreviewHunk lua require 'nv-utils'.preview_hunk()
 command! BlameLine lua require 'nv-utils'.blame_line()
-
-" TODO this really shouldn't be here
-let g:nvim_tree_icons = {
-    \ 'default': '',
-    \ 'symlink': '',
-    \ 'git': {
-    \   'unstaged': "✗",
-    \   'staged': "✓",
-    \   'unmerged': "",
-    \   'renamed': "➜",
-    \   'untracked': ""
-    \   },
-    \ 'folder': {
-    \   'default': "",
-    \   'open': "",
-    \   'empty': "",
-    \   'empty_open': "",
-    \   'symlink': "",
-    \   }
-    \ }