Yes there are a number of routes being dropped for this Winter. However some airlines are also adding flights/destinations this winter. Details listed below
BA Cityflyer
Paris Orly - NEW year round service begins 29OCT17 will operate up to 17 x Weekly for W17
Prague - NEW year round service begins 29OCT17 will operate 6 x Weekly for W17
Reykjavik - NEW Winter seasonal service will 2 x Weekly 29OCT17-18MAR18
Powdair
Sion - NEW - Will operate 2 x daily Mon-Fri and Daily on Sun. Currently available to book 11DEC17-16APR18. However Powdair expect to operate the route year round. A S2000 leased from F7 (Adria Airways Switzerland) will be used to operate this route.
TAP
Lisbon - NEW year round service begins 29OCT17. Will operate 2 x daily Mon-Fri and daily Sat-Sun during W17.
VLM Airlines Slovenia
Antwerp - Year round service begins 29OCT17. Will operate 3 x daily Mon-Wed, 4 x daily Thu-Fri and 2 flights will operate on a Sunday. Will be operated by a F50.