demo: widgets: OO.ui.CapsuleMultiSelectWidget: Remove non-existent 'values' config
demo: widgets: OO.ui.CapsuleMultiSelectWidget: Remove non-existent 'values' config

Change-Id: I7f3260bb9255631ed937a0735818d2697eb47db5

wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui