Always use local kdump after install installs

If no kdump parameters are specified, default to local. Instead
of leaving the service disabled

Change-Id: I5dcf8a8046a8c4284edf0bd3ed6ed24000ffe7ef
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1123413
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1122917
Signed-off-by: Ryan Barry <rbarry@redhat.com>