Bug 1029: Remove dead code: sal-data-api

opendaylight/md-sal/sal-data-api is dead code that is not being
built and hasn't for some time.  Its complicating keeping
versions up to date and verifying that they are up to date.

If it needs to be revived in the future it can be retrieved
from git.

Change-Id: I28d9a8f63ff0398766d0d8c29f18a27d75642d2e
Signed-off-by: Ed Warnicke <eaw@cisco.com>
Bug 1029: Remove dead code: sal-dom-demo

opendaylight/md-sal/sal-dom-demo is dead code that is not being
built and hasn't for some time.  Its complicating keeping
versions up to date and verifying that they are up to date.

If it needs to be revived in the future it can be retrieved
from git.

Change-Id: I77357764b8a779c444ed173e9e8a29a227ba3bf7
Signed-off-by: Ed Warnicke <eaw@cisco.com>
Bug 1029: Remove dead code: sal-rest-connector-it

opendaylight/md-sal/test/sal-rest-connector-it is dead code that is not being
built and hasn't for some time.  Its complicating keeping
versions up to date and verifying that they are up to date.

If it needs to be revived in the future it can be retrieved
from git.

Change-Id: I2ab837c661552022792ff7f02a1c2b68f7928501
Signed-off-by: Ed Warnicke <eaw@cisco.com>
Bug 1029: Remove dead code: unit_test_suite

opendaylight/northboundtest/unit_test_suite/ is dead code that is not being
built and hasn't for some time.  Its complicating keeping
versions up to date and verifying that they are up to date.

If it needs to be revived in the future it can be retrieved
from git.

Change-Id: If7809407f1ca5e22012d9172950428ca24c5f5bc
Signed-off-by: Ed Warnicke <eaw@cisco.com>