svn commit: r76658 - /dev/arrow/apache-arrow-20.0.0-rc0/

[assignuser]

Author: assignuser
Date: Mon May  5 17:08:00 2025
New Revision: 76658

Log:
Remove old Apache Arrow RC: apache-arrow-20.0.0-rc0/

Removed:
    dev/arrow/apache-arrow-20.0.0-rc0/