Revert "XWIKI-16838: Upgrade to Spoon 8.0.0"
Revert "XWIKI-16838: Upgrade to Spoon 8.0.0"

This reverts commit 44216827278afa0b1693042da83dec68d0224193.

There's apparently a regression in Spoon 8.0.0: https://github.com/INRIA/spoon/issues/3168

xwiki/xwiki-commons,xwiki/xwiki-commons