Remove unneeded Close function from IWatermarkView interface. Buddy: Malcolm.
Remove unneeded Close function from IWatermarkView interface. Buddy: Malcolm.

wrld3d/wrld-example-app,eegeo/eegeo-example-app,wrld3d/wrld-example-app,wrld3d/wrld-example-app,eegeo/eegeo-example-app,wrld3d/wrld-example-app,eegeo/eegeo-example-app,wrld3d/wrld-example-app,eegeo/eegeo-example-app,wrld3d/wrld-example-app,eegeo/eegeo-example-app,eegeo/eegeo-example-app,wrld3d/wrld-example-app,wrld3d/wrld-example-app,eegeo/eegeo-example-app