coc auto formatting updates, airline theme, formatting

files/.config/nvim/mappings.vim

@@ -87,10 +87,13 @@ nmap <silent> <leader>E :CocCommand explorer --reveal expand('<sfile>')<cr>
 "   <l>j - Jump to implementation of current symbol
 "   <l>s - Fuzzy search current project symbols
 "   <l>n - Symbol renaming
+"   <l>k - Symbol renaming
 nmap <silent> <C-n> <Plug>(coc-diagnostic-prev)
 nmap <silent> <C-p> <Plug>(coc-diagnostic-next)
+" broken d
 nmap <silent> <leader>d <Plug>(coc-definition)
 nmap <silent> <leader>r <Plug>(coc-references)
+" broken j
 nmap <silent> <leader>j <Plug>(coc-implementation)
 nmap <silent> <leader>s :<C-u>CocList -I -N --top symbols<cr>
 nmap <silent> <leader>n <Plug>(coc-rename)
@@ -103,25 +106,6 @@ nnoremap <leader>h :%s///<left><left>
 nnoremap <silent> <leader>/ :nohlsearch<cr>
 
 
-" use <tab> for trigger completion and navigate to next complete item
-inoremap <silent><expr> <TAB>
-      \ pumvisible() ? "\<C-n>" :
-      \ <SID>check_back_space() ? "\<TAB>" :
-      \ coc#refresh()
-inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
-
-function! s:check_back_space() abort
-  let col = col('.') - 1
-  return !col || getline('.')[col - 1]  =~ '\s'
-endfunction
-
-" Use <c-space> to trigger completion.
-if has('nvim')
-  inoremap <silent><expr> <c-space> coc#refresh()
-else
-  inoremap <silent><expr> <c-@> coc#refresh()
-endif
-
 " Use K to show documentation in preview window.
 nnoremap <silent> K :call <SID>show_documentation()<cr>
 
@@ -145,5 +129,3 @@ augroup mygroup
   " Update signature help on jump placeholder.
   autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
 augroup end
-
-