some telescope color config

lua/plugins/telescope.lua

@@ -122,6 +122,9 @@ return {
             ['<C-q>'] = actions.smart_send_to_qflist,
           },
         },
+        results_title = false,
+        preview_title = false,
+        borderchars = { '', '', '', '', '', '', '', '' },
         -- `hidden = true` is not supported in text grep commands.
         vimgrep_arguments = vimgrep_arguments,
       },