UIServerModule: remove duplicate include
UIServerModule: remove duplicate include

Fixes: 7791f941907a ("ui_server: new service UserService")
Signed-off-by: Jan Viktorin <3eab6ac54c005c4408f608556a6663b7f2abede7@fit.vutbr.cz>

BeeeOn/server,BeeeOn/server,BeeeOn/server,BeeeOn/server