Revert "XCOMMONS-1212: Upgrade to Checkstyle 7.8.1"
Revert "XCOMMONS-1212: Upgrade to Checkstyle 7.8.1"

This reverts commit d2aeaab5eef4dcf5db1383922f57e7d35e8d4df0.

xwiki/xwiki-commons,xwiki/xwiki-commons