init: remove what is unused

* BETTER Cleans unused or duplicate settings.
* BETTER Cleans unused plugins.

Co-Authored-by: Igor Milhit <igor.milhit@rero.ch>

init.vim

@@ -15,38 +15,27 @@ endif
 :let g:html_indent_inctags = "html,body,head,tbody"
 
 set smartindent
-set autoindent
 set tabstop=4
 set expandtab
 set softtabstop=4
 set shiftwidth=4
-" autocmd FileType json setlocal shiftwidth=2 tabstop=2
-
 set showcmd			" Show (partial) command in status line.
 set showmode        " Show indication of having changed modes
 set showmatch		" Show matching brackets.
-
 set ignorecase		" Do case insensitive matching
 set smartcase		" Do smart case matching
-set incsearch		" Incremental search
 set hlsearch        " Highlight search
-
+nnoremap <silent> <C-l> :nohlsearch<CR><C-l>        " set C-l to :nohlsearch
 set autowrite		" Automatically save before commands like :next and :make
 set hidden          " Hide buffers when they are abandoned
 set mouse=a			" Enable mouse usage (all modes)
-
 set linebreak		" Line wrap
 set tw=79           " Lines longer than 79 chars will be wrapped
 set colorcolumn=+1  " Colors the tw+1 column
-
 set number	        " Line numbering
 set cursorline
-set ruler
 set modeline
 
-" Markdown
-autocmd FileType markdown set nocursorline 
-
 " Consider `.jsonld` as JSON
 autocmd BufNewFile,BufRead *.jsonld set filetype=json
 " tabstop to 2 for JSON
@@ -61,8 +50,6 @@ autocmd FileType json setlocal foldmethod=syntax
 autocmd FileType json set foldlevel=2
 autocmd FileType json set tabstop=2
 autocmd FileType json set softtabstop=2
-" Détermine le niveau de fold par défaut pour le md
-autocmd FileType markdown set foldlevel=0
 " Détermine l'indentation par défaut pour le html
 autocmd FileType html set tabstop=2
 autocmd FileType html set softtabstop=2
@@ -76,13 +63,10 @@ autocmd FileType xml set foldlevel=1
 " default languages grammar check
 :let g:pandoc#spell#default_langs = ['fr', 'en']
 " formatting module mode hard wrap
-:let g:pandoc#formatting#colorcolumn = +1 
 :let g:pandoc#formatting#textwidth = 79
+:let g:pandoc#formatting#colorcolumn = +1 
 :let g:pandoc#formatting#mode = "hA"
 
-" set C-l to :nohlsearch
-nnoremap <silent> <C-l> :nohlsearch<CR><C-l>
-
 " copy to clipboard with `"+y`
 set clipboard+=unnamedplus
 
@@ -93,20 +77,10 @@ let g:airline#extensions#wordcount#filetypes = 'pandoc\|text\|' "Add support whe
 " vim-table-mode
 :let g:table_mode_corner='|'
 
-" netrw, instead of NERDTree
-let g:netrw_liststyle = 3
-let g:netrw_banner = 0
-let g:netrw_browse_split = 4
-let g:netrw_altv = 1
-let g:netrw_winsize = 20
-" augroup ProjectDrawer
-"   autocmd!
-"   autocmd VimEnter * :Vexplore
-" augroup END
-
 " NERDTree
 autocmd StdinReadPre * let s:std_in=1
 autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
+let g:NERDTreeWinSize=40
 
 " vim-json, don't conceal
 let g:vim_json_syntax_conceal = 0
@@ -119,41 +93,29 @@ let g:ctrlp_working_path_mode = 'ra'
 " enable caching
 let g:ctrlp_use_caching = 1
 let g:ctrlp_clear_cache_on_exit = 0
-" enable autocomplete
-autocmd BufEnter * call ncm2#enable_for_buffer()
-set completeopt=noinsert,menuone,noselect
 
 " plugins (vim-plug)
 call plug#begin('~/.config/nvim/plugged')
+Plug 'tpope/vim-sensible'                           " default settings
+Plug 'vim-pandoc/vim-pandoc'                        " pandoc
+Plug 'vim-pandoc/vim-pandoc-syntax'                 " support md syntax
+Plug 'junegunn/goyo.vim', { 'on': 'Goyo' }          " distraction free
 Plug 'altercation/vim-colors-solarized'
-Plug 'junegunn/goyo.vim', { 'on': 'Goyo' }
 Plug 'vim-airline/vim-airline'
 Plug 'vim-airline/vim-airline-themes'
-Plug 'vim-pandoc/vim-pandoc'
+Plug 'jiangmiao/auto-pairs'                         " pairs autocomplete
-Plug 'vim-pandoc/vim-pandoc-syntax'
+Plug 'tpope/vim-surround'                           " to manipulate surroundings
-Plug 'jiangmiao/auto-pairs'
+Plug 'tpope/vim-unimpaired'                         " toggle shortcut
-Plug 'tpope/vim-surround'
+Plug 'tpope/vim-commentary'                         " easy commenting
-Plug 'tpope/vim-unimpaired'
+Plug 'tpope/vim-fugitive'                           " git
-Plug 'tpope/vim-fugitive'
-Plug 'tpope/vim-commentary'
-Plug 'tpope/vim-sensible'
-Plug 'vim-syntastic/syntastic'
-Plug 'godlygeek/tabular'
 Plug 'dhruvasagar/vim-table-mode', { 'on': 'TableModeEnable' }
 Plug 'iamcco/markdown-preview.nvim', { 'do': 'cd app & yarn install'  }
 Plug 'elzr/vim-json'
 Plug 'osyo-manga/vim-over', { 'on': 'OverCommandLine' }
-Plug 'Rykka/riv.vim'
+Plug 'Rykka/riv.vim'                                " rst syntax support
-Plug 'Rykka/InstantRst'
+Plug 'Rykka/InstantRst'                             " rst preview
-Plug 'davidhalter/jedi-vim'      " warning, may conflicts with python-mode
-Plug 'nvie/vim-flake8'
 Plug 'kien/ctrlp.vim'
 Plug 'scrooloose/nerdtree'
 Plug 'Xuyuanp/nerdtree-git-plugin'
 Plug 'https://github.com/editorconfig/editorconfig-vim'
-Plug 'ncm2/ncm2'
-Plug 'roxma/nvim-yarp'
-Plug 'ncm2/ncm2-bufword'
-Plug 'Shougo/neco-syntax'
-Plug 'ncm2/ncm2-syntax'
 call plug#end()