remove FailOnError for workloads, as ydb-slo-report/report does exactly that

Author: qrort

tests/slo/database/sql/query/main.go

@@ -127,7 +127,6 @@ func main() {
 		go w.Metrics(ctx, &wg, metricsRL)
 
 		wg.Wait()
-		w.FailOnError()
 	default:
 		panic(fmt.Errorf("unknown mode: %v", cfg.Mode))
 	}

tests/slo/database/sql/table/main.go

@@ -127,7 +127,6 @@ func main() {
 		go w.Metrics(ctx, &wg, metricsRL)
 
 		wg.Wait()
-		w.FailOnError()
 	default:
 		panic(fmt.Errorf("unknown mode: %v", cfg.Mode))
 	}

tests/slo/native/query/main.go

@@ -143,7 +143,6 @@ func main() {
 		go w.Metrics(ctx, &wg, metricsRL)
 
 		wg.Wait()
-		w.FailOnError()
 	default:
 		panic(fmt.Errorf("unknown mode: %v", cfg.Mode))
 	}

tests/slo/native/table/main.go

@@ -127,7 +127,6 @@ func main() {
 		go w.Metrics(ctx, &wg, metricsRL)
 
 		wg.Wait()
-		w.FailOnError()
 	default:
 		panic(fmt.Errorf("unknown mode: %v", cfg.Mode))
 	}

tests/slo/native/table/over/query/service/main.go

@@ -127,7 +127,6 @@ func main() {
 		go w.Metrics(ctx, &wg, metricsRL)
 
 		wg.Wait()
-		w.FailOnError()
 	default:
 		panic(fmt.Errorf("unknown mode: %v", cfg.Mode))
 	}