Remove nerdtree, I rarely use it

README.md

@@ -29,7 +29,6 @@ itself and the configuration on different platforms (Linux, macOS and Windows).
 + Fast buffer jump via [vim-sneak](https://github.com/justinmk/vim-sneak).
 + Fuzzy searching in current project quickly via [LeaderF](https://github.com/Yggdroot/LeaderF).
 + Beautiful status line via [vim-airline](https://github.com/vim-airline/vim-airline).
-+ Powerful file explorer via [Nerdtree](https://github.com/scrooloose/nerdtree).
 + Tags navigation via [tagbar](https://github.com/majutsushi/tagbar).
 + ......
 

plugins.vim

@@ -126,9 +126,6 @@ endif
 "}}
 
 "{{ Navigation and tags plugin
-" File explorer for vim
-Plug 'preservim/nerdtree', { 'on': ['NERDTreeToggle', 'NERDTreeFind'] }
-
 " Only install these plugins if ctags are installed on the system
 if executable('ctags')
   " plugin to manage your tags
@@ -494,34 +491,6 @@ endif
 "}}
 
 "{{ Navigation and tags
-""""""""""""""""""""""" nerdtree settings """"""""""""""""""""""""""
-" Toggle nerdtree window and keep cursor in file window,
-" adapted from https://stackoverflow.com/q/24808932/6064933
-nnoremap <silent> <Space>s :NERDTreeToggle<CR>:wincmd p<CR>
-
-" Reveal currently editted file in nerdtree widnow,
-" see https://stackoverflow.com/q/7692233/6064933
-nnoremap <silent> <Space>f :NERDTreeFind<CR>
-
-" Ignore certain files and folders
-let NERDTreeIgnore = ['\.pyc$', '^__pycache__$']
-
-" Automatically show nerdtree window on entering nvim,
-" see https://github.com/scrooloose/nerdtree. But now the cursor
-" is in nerdtree window, so we need to change it to the file window,
-" extracted from https://stackoverflow.com/q/24808932/6064933
-" autocmd VimEnter * NERDTree | wincmd l
-
-" Delete a file buffer when you have deleted it in nerdtree
-let NERDTreeAutoDeleteBuffer = 1
-
-" Show current root as realtive path from HOME in status bar,
-" see https://github.com/scrooloose/nerdtree/issues/891
-let NERDTreeStatusline="%{exists('b:NERDTree')?fnamemodify(b:NERDTree.root.path.str(), ':~'):''}"
-
-" Disable bookmark and 'press ? for help' text
-let NERDTreeMinimalUI=0
-
 """"""""""""""""""""""""""" tagbar settings """"""""""""""""""""""""""""""""""
 " Shortcut to toggle tagbar window
 nnoremap <silent> <Space>t :TagbarToggle<CR>