svn commit: r74321 - /release/arrow/apache-arrow-adbc-15/

[lidavidm]

Author: lidavidm
Date: Tue Jan 21 01:41:00 2025
New Revision: 74321

Log:
Remove old Apache Arrow ADBC release: apache-arrow-adbc-15/

Removed:
    release/arrow/apache-arrow-adbc-15/