Revert "Resolve conflict of two different shares"

This reverts commit d25d46dc073df605078fc7288cdd019606fdce2e.
Revert "Enable share to Douban and Renren function"

This reverts commit 3875e11cd040be786e91a863b890485111370180.
Revert "Enable share to QQZone function"

This reverts commit f399754524803291386fa5de37b2aa3f8d343d35.
Revert "Initial version of share guide (just ux no fuction, disabled)"

This reverts commit d37026f4a886114f0abf6fee57ea349f7c038201.