Rumors like this circulate every now and then. When it comes to changes of things in the database (ie, ships, etc), I wouldn't rely too much on rumor until you see it officially mentioned in a Sim News post.
Canonizing the canon ships has been discussed many, many times over the years. Sometimes the project gets very close to completion but not implemented, other times it rarely gets past the discussion stage.
I still remember when the JumpMasters and Aggressors were changed from fighters (and two of the more popular fighter classes at that. Even the Empire had squadrons of them) to freighters. The Admins gave players a chance to trade them in for either generic types or (depending on the faction) faction-specific types.