Removed the XHTumblrMenu from cocoapods

XHTumblrMenu(https://github.com/JackTeam/XHTumblrMenu) is a copy of my
repo TumblrMenu(https://github.com/cyndibaby905/TumblrMenu), and has
been removed from github, please remove it from cocoapods too, thanks!
Merge pull request #7349 from cyndibaby905/master

Removed the XHTumblrMenu from cocoapods