nixpkgs/neovim: remove undotree

.config/nixpkgs/neovim/config/lua/user/plugins/init.lua

@@ -5,8 +5,3 @@ require('user.plugins.navigation')
 require('user.plugins.telescope')
 require('user.plugins.treesitter')
 require('user.plugins.ui')
-
--- misc
-
--- undotree
-vim.keymap.set('n', '<Leader>ut', '<cmd>UndotreeToggle<CR>')

.config/nixpkgs/neovim/plugins/sources.json

@@ -15,10 +15,6 @@
     "rev": "dcbfe065297d31823561ba787f51056c147aa682",
     "sha256": "1yvpk0cnsx1b1q2wp52fv4mj71w8ssz4dcbbdix65m8qna6d0m9h"
   },
-  "mbbill/undotree": {
-    "rev": "28f2f54a34baff90ea6f4a735ef1813ad875c743",
-    "sha256": "0k9qfp64rbwy1lc62x0vkwfl3qlx8633lfbhqxkf64yqwi81ysp5"
-  },
   "Wansmer/treesj": {
     "rev": "3b4a2bc42738a63de17e7485d4cc5e49970ddbcc",
     "sha256": "0ydl72p2zp4yn50r5fzsdnfpr5ji04vfff7rs37jvb48lmfw2rlh"