Allowed Jolokia to use HttpService

Removed the flag in custom.properties that was preventing Jolokia
from registering to the HttpService. This was ported from previous
distribution but should not be used in karaf-based distros.

Change-Id: I54d143abe9ae6378683b22d83110814b13225fa2
Signed-off-by: Mathieu Lemay <mlemay@inocybe.com>
Merge "Allowed Jolokia to use HttpService"