Now that Google is officially killing Google+, we should drop it from the list of sharing suggestions at the bottom of every unanswered question throughout the network (except meta sites). The bandwidth saved will probably outpace the total bandwidth used by Google+.
If we do that, let's also remove the older style icon from the "share" popup functionality:
And the sharing box on the right sidebar of beta sites like EOS.IO:
And places like the wiki description for meta site tags like sharing: