refactor(nvim-tree): remove unused code (#2266)

lua/lvim/core/nvimtree.lua

@@ -136,34 +136,6 @@ function M.setup()
     }
   end
 
-  local function on_open()
-    if package.loaded["bufferline.state"] and lvim.builtin.nvimtree.setup.view.side == "left" then
-      require("bufferline.state").set_offset(lvim.builtin.nvimtree.setup.view.width + 1, "")
-    end
-  end
-
-  local function on_close()
-    local bufnr = vim.api.nvim_get_current_buf()
-    local ft = vim.api.nvim_buf_get_option(bufnr, "filetype")
-    if ft == "NvimTree" and package.loaded["bufferline.state"] then
-      require("bufferline.state").set_offset(0)
-    end
-  end
-
-  local tree_view = require "nvim-tree.view"
-  local default_open = tree_view.open
-  local default_close = tree_view.close
-
-  tree_view.open = function()
-    on_open()
-    default_open()
-  end
-
-  tree_view.close = function()
-    on_close()
-    default_close()
-  end
-
   if lvim.builtin.nvimtree.on_config_done then
     lvim.builtin.nvimtree.on_config_done(nvim_tree_config)
   end