I removed OSL_DEBUG_LEVEL > 1 conditionals, replaced DBG_ASSERT to
standard assert(..) and used SAL_INFO() in some places

Change-Id: Ib6d6065e3f141e60f865fef1faacdb5598e12431
Reviewed-on: https://gerrit.libreoffice.org/23073Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Björn Michaelsen <bjoern.michaelsen@canonical.com>