remove file explorer title

lua/lv-nvimtree/init.lua

@@ -67,7 +67,8 @@ M.toggle_tree = function()
         end
     else
         if package.loaded['bufferline.state'] then
-            require'bufferline.state'.set_offset(31, 'File Explorer')
+            -- require'bufferline.state'.set_offset(31, 'File Explorer')
+            require'bufferline.state'.set_offset(31, '')
         end
         require'nvim-tree'.find_file(true)
     end