Remove redundant javadoc/sources configuration
Remove redundant javadoc/sources configuration

javadoc and sources are inherited from odlparent.

Change-Id: Ib6fc2100e29994ecf3017c5305d372b251043997
Signed-off-by: Thanh Ha <09ea4d3a79c8bee41a16519f6a431f6bc0fd8d6f@linuxfoundation.org>

opendaylight/bgpcep