[player] Remove support for GetStateRequest,StopCommand,ContinueCommand

...s/unit-menu/components/unit-menu/unit-menu.component.html

...les/unit-menu/components/unit-menu/unit-menu.component.ts

projects/player/modules/verona/models/verona.ts

...dules/verona/services/verona-subscription.service.spec.ts

...er/modules/verona/services/verona-subscription.service.ts

...ponents/layouts/player-layout/player-layout.component.css

...onents/layouts/player-layout/player-layout.component.html

...nts/layouts/player-layout/player-layout.component.spec.ts

...mponents/layouts/player-layout/player-layout.component.ts

projects/player/src/app/components/unit/unit.component.html

projects/player/src/app/directives/player-state.directive.ts