message: fix: remove image tooltips
diff: @@ -12,17 +12,17 @@ This plugin requires that entities are annotated with an [integration key](https
  ### View any open incidents
  -![View Open Incidents](doc/pd1.png "PagerDuty plugin showing no incidents and the on-call rotation")
  +![PagerDuty plugin showing no incidents and the on-call rotation](doc/pd1.png)
  ### Email link, and view contact information for staff on call
  -![On-Call Contact Information](doc/pd2.png "PagerDuty plugin showing on-call rotation contact information")
  +![PagerDuty plugin showing on-call rotation contact information](doc/pd2.png)
  ### Trigger an incident for a service
  -![Trigger an Incident](doc/pd3.png "PagerDuty plugin popup modal for creating an incident")
  +![PagerDuty plugin popup modal for creating an incident](doc/pd3.png)
  -![Active Incidents](doc/pd4.png "PagerDuty plugin showing an active incident")
  +![PagerDuty plugin showing an active incident](doc/pd4.png)
  ## Setup instructions
  