D24852: Remove list style from headings

[Aleksandr Komakhin]

akomakhin added reviewers: pvuorela, Calligra: 3.0.

REPOSITORY
  R8 Calligra

REVISION DETAIL
  https://phabricator.kde.org/D24852

To: akomakhin, pvuorela, #calligra:_3.0
Cc: Calligra-Devel-list, dcaliste, cochise, vandenoever