Remove vestigal err check from CEL admission controller.

Validate no longer returns an error.

staging/src/k8s.io/apiserver/pkg/admission/plugin/validatingadmissionpolicy/controller.go

@@ -329,12 +329,6 @@ func (c *celAdmissionController) Validate(
 			}
 
 			validationResult := bindingInfo.validator.Validate(ctx, versionedAttr, param, celconfig.RuntimeCELCostBudget)
-			if err != nil {
-				// runtime error. Apply failure policy
-				wrappedError := fmt.Errorf("failed to evaluate CEL expression: %w", err)
-				addConfigError(wrappedError, definition, binding)
-				continue
-			}
 
 			for i, decision := range validationResult.Decisions {
 				switch decision.Action {