remove not needed interface

metricbeat/mb/testing/modules.go

@@ -209,34 +209,6 @@ func (r *CapturingReporterV2) GetErrors() []error {
 	return r.errs
 }
 
-// CapturingReporterV2Error is a reporter used for testing which stores all events and errors
-type CapturingReporterV2Error struct {
-	events []mb.Event
-	errs   []error
-}
-
-// Event is used to report an event
-func (r *CapturingReporterV2Error) Event(event mb.Event) bool {
-	r.events = append(r.events, event)
-	return true
-}
-
-// Error is used to report an error
-func (r *CapturingReporterV2Error) Error(err error) bool {
-	r.errs = append(r.errs, err)
-	return true
-}
-
-// GetEvents returns all reported events
-func (r *CapturingReporterV2Error) GetEvents() []mb.Event {
-	return r.events
-}
-
-// GetErrors returns all reported errors
-func (r *CapturingReporterV2Error) GetErrors() []error {
-	return r.errs
-}
-
 // ReportingFetchV2 runs the given reporting metricset and returns all of the
 // events and errors that occur during that period.
 func ReportingFetchV2(metricSet mb.ReportingMetricSetV2) ([]mb.Event, []error) {