GH-46500: [CI][Java] Remove CI scripts for Java

[hiroyuki-sato]

Rationale for this change

Apache Arrow Java have been separated repository.
CI scripts for Java are unnecessary.

What changes are included in this PR?

Remove CI scripts for Java (Except JNI)

Are these changes tested?

Yes.

Are there any user-facing changes?

No.

• GitHub Issue: [CI][Java] Remove CI scripts for Java #46500

[github-actions]

⚠️ GitHub issue #46500 has been automatically assigned in GitHub to PR creator.

[hiroyuki-sato]

@kou Rest of files are still necessary. Correct? Can we also remove java_build.sh too?

java_build.sh
java_cdata_integration.sh
java_jni_build.sh
java_jni_macos_build.sh
java_jni_manylinux_build.sh
java_jni_windows_build.sh
java_test.sh

[kou]

We can remove all ci/scripts/java_*.sh.

[hiroyuki-sato]

These files also removed.

 delete mode 100755 ci/scripts/java_build.sh
 delete mode 100755 ci/scripts/java_cdata_integration.sh
 delete mode 100755 ci/scripts/java_jni_build.sh
 delete mode 100755 ci/scripts/java_jni_macos_build.sh
 delete mode 100755 ci/scripts/java_jni_manylinux_build.sh
 delete mode 100755 ci/scripts/java_jni_windows_build.sh
 delete mode 100755 ci/scripts/java_test.sh

[kou]

+1

[conbench-apache-arrow]

After merging your PR, Conbench analyzed the 4 benchmarking runs that have been run so far on merge-commit a1707db.

There were no benchmark performance regressions. 🎉

The full Conbench report has more details.