Fix a couple of logs in VTOrc (#13667)

Author: GuptaManan100

go/vt/vtorc/inst/instance_dao.go

@@ -1118,7 +1118,9 @@ func ForgetLongUnseenInstances() error {
 		log.Error(err)
 		return err
 	}
-	_ = AuditOperation("forget-unseen", "", fmt.Sprintf("Forgotten instances: %d", rows))
+	if rows > 0 {
+		_ = AuditOperation("forget-unseen", "", fmt.Sprintf("Forgotten instances: %d", rows))
+	}
 	return err
 }
 

go/vt/vtorc/logic/topology_recovery.go

@@ -388,6 +388,7 @@ func getCheckAndRecoverFunctionCode(analysisCode inst.AnalysisCode, tabletAlias
 	case inst.DeadPrimary, inst.DeadPrimaryAndSomeReplicas:
 		// If ERS is disabled, we have no way of repairing the cluster.
 		if !config.ERSEnabled() {
+			log.Infof("VTOrc not configured to run ERS, skipping recovering %v", analysisCode)
 			return noRecoveryFunc
 		}
 		if isInEmergencyOperationGracefulPeriod(tabletAlias) {
@@ -397,6 +398,7 @@ func getCheckAndRecoverFunctionCode(analysisCode inst.AnalysisCode, tabletAlias
 	case inst.PrimaryTabletDeleted:
 		// If ERS is disabled, we have no way of repairing the cluster.
 		if !config.ERSEnabled() {
+			log.Infof("VTOrc not configured to run ERS, skipping recovering %v", analysisCode)
 			return noRecoveryFunc
 		}
 		if isInEmergencyOperationGracefulPeriod(tabletAlias) {