Removing unused macro

Author: grzegorzkoper

docker/neutron/neutron-l3-agent/Dockerfile.j2

@@ -23,8 +23,6 @@ LABEL maintainer="{{ maintainer }}" name="{{ image_name }}" build-date="{{ build
 
 {{ macros.install_packages(neutron_l3_agent_packages | customizable("packages")) }}
 
-{{ macros.kolla_patch_sources() }}
-
 COPY extend_start.sh /usr/local/bin/kolla_extend_start
 
 {% block neutron_l3_agent_footer %}{% endblock %}