Remove visual noise from connectivity

Conflicts:
	connectivity/source/inc/odbc/OConnection.hxx

Change-Id: I5ca98359e18cf1b27bf53037dde211774d798626
Reviewed-on: https://gerrit.libreoffice.org/8245
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>