Drop the Table Of Content in the Changelog (#844)

While this is definitely a nice feature to have for reading purposes, it
introduces some complexity to the automated release flow for the helm-charts.

CHANGELOG.md

@@ -1,119 +1,4 @@
 # Changelog
-<!-- START doctoc generated TOC please keep comment here to allow auto update -->
-<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
-
-
-- [7.9.2 - 2020/09/24](#792---20200924)
-  - [Elasticsearch](#elasticsearch)
-  - [Metricbeat](#metricbeat)
-- [7.9.1 - 2020/09/03](#791---20200903)
-  - [APM Server](#apm-server)
-  - [Elasticsearch](#elasticsearch-1)
-  - [Logstash](#logstash)
-  - [Metricbeat](#metricbeat-1)
-- [7.9.0 - 2020/08/18](#790---20200818)
-- [6.8.12 - 2020/08/18](#6812---20200818)
-- [7.8.1 - 2020/07/28](#781---20200728)
-  - [APM Server](#apm-server-1)
-  - [Elasticsearch](#elasticsearch-2)
-  - [Filebeat](#filebeat)
-  - [Kibana](#kibana)
-  - [Logstash](#logstash-1)
-  - [Metricbeat](#metricbeat-2)
-- [6.8.11 - 2020/07/28](#6811---20200728)
-- [7.8.0 - 2020/06/18](#780---20200618)
-  - [APM Server](#apm-server-2)
-  - [Elasticsearch](#elasticsearch-3)
-  - [Logstash](#logstash-2)
-- [7.7.1 - 2020/06/03](#771---20200603)
-  - [Elasticsearch](#elasticsearch-4)
-  - [Kibana](#kibana-1)
-  - [Metricbeat](#metricbeat-3)
-- [6.8.10 - 2020/06/03](#6810---20200603)
-- [7.7.0 - 2020/05/13](#770---20200513)
-  - [APM Server](#apm-server-3)
-  - [Elasticsearch](#elasticsearch-5)
-  - [Filebeat](#filebeat-1)
-  - [Kibana](#kibana-2)
-  - [Logstash](#logstash-3)
-  - [Metricbeat](#metricbeat-4)
-- [6.8.9 - 2020/05/13](#689---20200513)
-- [7.6.2 - 2020/03/31](#762---20200331)
-  - [APM Server](#apm-server-4)
-  - [Elasticsearch](#elasticsearch-6)
-  - [Filebeat](#filebeat-2)
-  - [Kibana](#kibana-3)
-  - [Logstash](#logstash-4)
-- [7.6.1 - 2020/03/04](#761---20200304)
-  - [APM Server](#apm-server-5)
-  - [Elasticsearch](#elasticsearch-7)
-- [7.6.0 - 2020/02/11](#760---20200211)
-  - [APM Server](#apm-server-6)
-  - [Elasticsearch](#elasticsearch-8)
-  - [Filebeat](#filebeat-3)
-  - [Kibana](#kibana-4)
-  - [Logstash](#logstash-5)
-  - [Metricbeat](#metricbeat-5)
-- [7.5.2 - 2020/01/21](#752---20200121)
-  - [Elasticsearch](#elasticsearch-9)
-  - [Filebeat](#filebeat-4)
-  - [Kibana](#kibana-5)
-  - [Logstash](#logstash-6)
-  - [Metricbeat](#metricbeat-6)
-- [7.5.1 - 2019/12/18](#751---20191218)
-  - [Filebeat](#filebeat-5)
-  - [Kibana](#kibana-6)
-  - [Metricbeat](#metricbeat-7)
-- [7.5.0 - 2019/12/02](#750---20191202)
-  - [Elasticsearch](#elasticsearch-10)
-  - [Filebeat](#filebeat-6)
-  - [Kibana](#kibana-7)
-  - [Logstash](#logstash-7)
-  - [Metricbeat](#metricbeat-8)
-- [7.4.1 - 2019/10/23](#741---20191023)
-  - [Elasticsearch](#elasticsearch-11)
-  - [Kibana](#kibana-8)
-  - [Metricbeat](#metricbeat-9)
-- [7.4.0 - 2019/10/01](#740---20191001)
-  - [Elasticsearch](#elasticsearch-12)
-  - [Kibana](#kibana-9)
-  - [Filebeat](#filebeat-7)
-  - [Metricbeat](#metricbeat-10)
-- [7.3.2 - 2019/09/19](#732---20190919)
-  - [Elasticsearch](#elasticsearch-13)
-  - [Kibana](#kibana-10)
-  - [Filebeat](#filebeat-8)
-  - [Metricbeat](#metricbeat-11)
-- [7.3.0 - 2019/07/31](#730---20190731)
-  - [Elasticsearch](#elasticsearch-14)
-  - [Kibana](#kibana-11)
-- [7.2.1-0 - 2019/07/18](#721-0---20190718)
-  - [Elasticsearch](#elasticsearch-15)
-  - [Kibana](#kibana-12)
-  - [Filebeat](#filebeat-9)
-  - [Metricbeat](#metricbeat-12)
-- [7.2.0 - 2019/07/01](#720---20190701)
-  - [Elasticsearch](#elasticsearch-16)
-  - [Kibana](#kibana-13)
-  - [Filebeat](#filebeat-10)
-- [7.1.1 - 2019/06/07](#711---20190607)
-  - [Elasticsearch](#elasticsearch-17)
-  - [Kibana](#kibana-14)
-  - [Filebeat](#filebeat-11)
-- [7.1.0 - 2019/05/21](#710---20190521)
-  - [Elasticsearch](#elasticsearch-18)
-  - [Kibana](#kibana-15)
-  - [Filebeat](#filebeat-12)
-- [7.0.1-alpha1 - 2019/05/01](#701-alpha1---20190501)
-  - [Elasticsearch](#elasticsearch-19)
-  - [Kibana](#kibana-16)
-- [7.0.0-alpha1 - 2019/04/17](#700-alpha1---20190417)
-  - [Elasticsearch](#elasticsearch-20)
-
-<!-- END doctoc generated TOC please keep comment here to allow auto update -->
-<!-- Use this to update TOC: -->
-<!-- docker run --rm -it -v $(pwd):/usr/src jorgeandrada/doctoc --github -->
-
 
 ## 7.9.2 - 2020/09/24
 * 7.9.2 as the default stack version