Revert "feat(tests): add assertion for atLeastOnce trigger in workflow reporter"

This reverts commit 807b6de.

Author: ATGardner

charts/gitops-runtime/tests/event-reporters-sensors_test.yaml

@@ -262,15 +262,3 @@ tests:
           status:
             allow:
               - 200
-
-  - it: HTTP trigger contains atLeastOnce if unset - workflow reporter
-    template: 'event-reporters/workflow-reporter/sensor.yaml'
-    values:
-    - './values/mandatory-values.yaml'
-    set:
-      event-reporters.workflow.sensor:
-        atLeastOnce: false
-    asserts:
-    - equal:
-        path: spec.triggers[0].atLeastOnce
-        value: false