It's possible that it was cancelled. Who knows? Don't worry about anything unless you receive a Letter of Claim (LoC) or an N1SDT claim form from the CNBC. Anything else regarding this can be safely ignored.
Also, there is a new "short" defence that is much more likely to have any claim either discontinued at a much earlier stage or struck out. This short defence has been drafted up on advice from a long serving district judge which will fit on a single side of A4 and also includes a draft order which no claimant has manage to fully comply with to date.
The judges mantra regarding roboclaimers:
What the defendants should strive to achieve is to make life:
As easy as possible for the Judge
And as difficult as possible for the claimant