[nvim] disable markdown conceal

nvim/plugin/editing.vim

@@ -175,6 +175,7 @@ set commentstring=//%s
   nmap <leader>ga <Plug>(LiveEasyAlign)
 " }}}
 
+
 " language-specific settings {{{
 
   let g:rust_recommended_style = 0
@@ -183,4 +184,7 @@ set commentstring=//%s
   let g:haskell_conceal_enumerations = 0
   let g:haskell_multiline_strings = 1
 
+  let g:vim_markdown_conceal = 0
+  let g:vim_markdown_conceal_code_blocks = 0
+
 " }}}