Heat doesn't need to specify python-oslo-reports

This package is correctly specified in the dependencies of the
heat packaging now so removing it from the base package.
Change-Id: I9028f41f5ee95b728c425235846b9825501b6f70
Implements: blueprint rhel-based-image-support

docker/heat/heat-base/Dockerfile.j2

 FROM {{ namespace }}/{{ image_prefix }}openstack-base:{{ tag }}
 MAINTAINER Kolla Project (https://launchpad.net/kolla)
 
-{% if install_type == 'binary' %}
-    {% if base_distro in ['centos', 'fedora', 'oraclelinux', 'rhel'] %}
-
-RUN yum -y install python-oslo-reports \
-    && yum clean all
-
-    {% endif %}
-{% elif install_type == 'source' %}
+{% if install_type == 'source' %}
 
 ADD heat-base-archive /heat-base-source
 RUN ln -s heat-base-source/* heat \