Chore: Remove bus from plugin context service (#45633)
Chore: Remove bus from plugin context service (#45633)

* Chore: Remove bus from plugin context

* fix the plugincontext

Co-authored-by: Ying WANG <6904e6b717d496acb87d1bfc3300e5b6df78c4b6@grafana.com>
grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana