[ticket/11814] Remove redundant text from the topic reply email notification.

PHPBB3-11814
Merge remote-tracking branch 'prototech/ticket/11814' into develop-olympus

* prototech/ticket/11814:
  [ticket/11814] Remove redundant text from the topic reply email notification.
Merge branch 'develop-olympus' into develop

* develop-olympus:
  [ticket/11814] Remove redundant text from the topic reply email notification.