Disable multi-threaded Maven (#10153)

workaround for #10115, closes #10105

Signed-off-by: Gera Shegalov <gera@apache.org>

.github/workflows/mvn-verify-check.yml

@@ -1,4 +1,4 @@
-# Copyright (c) 2022-2023, NVIDIA CORPORATION.
+# Copyright (c) 2022-2024, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -29,7 +29,6 @@ env:
     -DskipTests
     -Dmaven.scaladoc.skip
     -Dmaven.artifact.threads=10
-    --threads 1C
     --batch-mode
     -Dmaven.wagon.http.retryHandler.count=3
     -Dmaven.wagon.httpconnectionManager.ttlSeconds=30

jenkins/spark-nightly-build.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
+# Copyright (c) 2020-2024, NVIDIA CORPORATION. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -103,10 +103,6 @@ function distWithReducedPom {
 
 # option to skip unit tests. Used in our CI to separate test runs in parallel stages
 SKIP_TESTS=${SKIP_TESTS:-"false"}
-if [[ "${SKIP_TESTS}" == "true" ]]; then
-  # if skip test, we could try speed up build with multiple-threads
-  MVN="${MVN} -T1C"
-fi
 
 set +H # turn off history expansion
 DEPLOY_SUBMODULES=${DEPLOY_SUBMODULES:-"!${DIST_PL}"} # TODO: deploy only required submodules to save time