Seattle has not "put the breaks" on bike sharing. Last year they removed the station based bikes, but there are now tons of bike sharing going on from Ofo, Lime, Pronto, and other competitors [1].
The existing dockless bike sharing companies were approved under a provisional permit, which has sunset. The city is gathering data and deciding where they want to go from here:
[1] http://mynorthwest.com/977326/seattle-bikeshare-customer-hab...?