where there is also an identical tooltip_text.
And convert the remaining tooltip_markup properties
to tooltip_text.

Change-Id: Id9995217468fb7046a2822dcef9a99072a7269ee
Reviewed-on: https://gerrit.libreoffice.org/29367Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>
Tested-by: Adolfo Jayme Barrientos <fitojb@ubuntu.com>