[UI] Remove Deprecated Katib UI #807

Job	Run time
Publish Image (file-metrics-collector, cmd/metricscollector/v1beta1/file-metricscollector/Dockerf... / Publish Image	11m 41s
Publish Image (katib-controller, cmd/katib-controller/v1beta1/Dockerfile) / Publish Image	26m 44s
Publish Image (cert-generator, cmd/cert-generator/v1beta1/Dockerfile) / Publish Image	13m 9s
Publish Image (katib-db-manager, cmd/db-manager/v1beta1/Dockerfile) / Publish Image	8m 0s
Publish Image (tfevent-metrics-collector, cmd/metricscollector/v1beta1/tfevent-metricscollector/D... / Publish Image	7m 54s
Publish Image (katib-ui, cmd/ui/v1beta1/Dockerfile) / Publish Image	1h 29m 36s
	2h 37m 4s

Provide feedback