Boris Kuzmanov

This plugin lets you remove menu items with drag & drop. It basically simplifies the process of deleting the menus which can be really time consuming if you have a lot of menus. sTRASHo is located in your Appearance > Menus menu.
https://www.youtube.com/watch?v=swz5INhnDr4

sTRASHo

sTRASHo is a smart and easy way to delete your menu items.

Aaron D. Campbell

This is now in WordPress core as of 4.4. Adds an archive checkbox to the nav menu meta box for Custom Post Types that support archives.

Custom Post Type Archives in Nav Menus

This is now in WordPress core as of 4.4. Adds an archive checkbox to the nav menu meta box for Custom Post Types that support archives

sTRASHo vs Custom Post Type Archives in Nav Menus