This mod removes umbrella's for all sims except Elders. I don't play any elder sims so I didn't remove it for them. I've had too many sims getting stuck with the umbrella to where they wouldn't do anything they got stuck trying to open/close the umbrella. 

Requires TS4 Seasons

Place the file in "Documents\Electronic Arts\The Sims 4\Mods\Packages"
 