Remove Heka yaml file

Heka is removed and replaced by fluentd.
refer to https://review.openstack.org/#/c/437874/

Change-Id: Ide9d265e15672ceba72d7c0b1c1a273098819d94

ansible/roles/common/tasks/clean_heka.yml

@@ -1,13 +0,0 @@
----
-- name: Get container facts
-  kolla_container_facts:
-    name:
-      - heka
-  register: container_facts
-
-- name: Removing heka container
-  kolla_docker:
-    action: "remove_container"
-    name: "heka"
-  when:
-    - container_facts['heka'] is defined

ansible/roles/common/tasks/upgrade.yml

@@ -1,6 +1,4 @@
 ---
 - include: config.yml
 
-- include: clean_heka.yml
-
 - include: start.yml