Bug 7368: Removing occurrences of dependant= feature in javascript open calls

Bug 7368: Removing occurrences of dependant= feature in javascript open calls

The window feature dependant= should have been written as dependent=
Note that this feature is ignored in most/current browsers.
Since the feature was misspelled, removing it will not change any
behavior or hurt anybody.

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Passed-QA-by: Paul Poulain <paul.poulain@biblibre.com>
Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>