Remove redundant features: odl-adsal-controller-northbound and odl-nsf-controller...

Remove redundant features: odl-adsal-controller-northbound and odl-nsf-controller-managers

With changes introduced by [1], the two features mentioned above are equivalent to their
conterparts: odl-adsal-northbound and odl-nsf-managers. This change eliminates the redundant
features, which were introduced in [2].

Patch 2: typo (redundant)

[1]: https://git.opendaylight.org/gerrit/#/c/15749/
[2]: https://git.opendaylight.org/gerrit/#/c/15566/

Change-Id: Ia3c955603a165e5c00f9f623e18901352efe2ba4
Signed-off-by: Flavio Fernandes <ffernand@redhat.com>