[book] replace PropagateSubjectRelation*Hook references PropagateSubjectRelationHook, PropagateSubjectRelationAddHook and PropagateSubjectRelationDelHook were deprecated by PropagateRelationHook, PropagateRelationAddHook, PropagateRelationDelHook respectively in v3.9, and removed in 3.18. Closes #3420672

\.svn
^build$
^dist$
\.pyc$
\.pyo$
\.bak$
\.old$
\~$
\#.*?\#$
\.swp$
^doc/book/en/apidoc$
\.old$
syntax: regexp
.*/data/database/.*\.sqlite
.*/data/database/.*\.config
.*/data/database/tmpdb.*
.*/data/ldapdb/.*
^doc/html/
^doc/doctrees/
^doc/book/en/devweb/js_api/