Do you have access to the web report designer? This can be adjusted in the web report designer by removing the frequency (mdlOpportunity - spReportOpportunityService.ServiceOccurrence) column from the report.
I do have access to that. Am i able to adjust it based off just one service type? i would stil like other services listed such as pruning to be able to show a count of frequency, vs just the mowing will be 1
You could create a string filter on the detail report
Not Contains([ServiceDisplayName], 'Mow')
This would filter out any services that contain mowing in their display name.
You would then have to have mowing in a separate detail report band though.