api-ref: Remove tags for neutron-in-tree-api-ref from LBaaSv1

LBaaSv1 api-ref have completed[1]. The tags for neutron-in-tree-api-ref
are forgotten removing. This patch just removes them.

[1]: https://review.openstack.org/#/c/423922/

TrivialFix

Change-Id: I1318f3f50536db10197d302275789c60c56ad129

api-ref/source/v2/lbaas-v1.inc

@@ -1,8 +1,4 @@
 .. -*- rst -*-
-.. needs:method_verification
-.. needs:parameter_verification
-.. needs:example_verification
-.. needs:body_verification
 
 ======================
 LBaaS 1.0 (DEPRECATED)