core: Revert mistake in dal's module.xml

Revert 52a30e640d5f2db24e9cacbb9e17804641d7d4ed's impact on dal's
module.xml file - this dependency is required in runtime albeit not in
compile time.

Change-Id: I7de24f400c7cc9f55026b173b16b0a3ce8cf1cd3
Signed-off-by: Allon Mureinik <amureini@redhat.com>