[vim] atom dark theme cleaned a bit

Vertical splits style moved from main config to theme file

vim/vimrc

@@ -33,11 +33,6 @@ let mapleader=" "
 " Folding params
 set foldlevelstart=20
 
-" Hiding unnecessary vertical split lines
-set fillchars+=vert:\ "White space at the end
-highlight VertSplit ctermbg=bg ctermfg=bg
-highlight VertSplit guibg=bg guifg=bg
-
 if empty(glob('~/.vim/autoload/plug.vim')) "Если vim-plug не стоит
   silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs 
     \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim 
@@ -72,7 +67,6 @@ let g:Powerline_symbols='unicode' " Unicode support
 " Gitgutter plugin config
 "
 let g:gitgutter_override_sign_column_highlight = 1
-highlight SignColumn term=underline cterm=NONE ctermbg=235 ctermfg=66 gui=NONE guibg=#232526 guifg=#465457
 set updatetime=100
 
 "
@@ -87,7 +81,6 @@ nnoremap <leader>gp :! git push<CR>  " git Push
 nnoremap <leader>n :NERDTreeFocus<CR>
 nnoremap <C-n> :NERDTree<CR>
 nnoremap <C-t> :NERDTreeToggle<CR>
-highlight VertSplit cterm=none
 " Exit Vim if NERDTree is the only window remaining in the only tab.
 autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif