DS-23428 Clean local change history and provide link to release note

TrendMicroDeepSecurity/README

@@ -1,21 +1,3 @@
-Version 1.6.0: May 14, 2018
-- Added "Deep Security Application Control Dashboard".
-- Fixed incorrect transformation for system events.
-- Fixed label/title inconsistency between dashboards.
-- Fixed the saved searches "All Security Events" and "High Severity Events" so that they exclude system events as expected.
+This package contains parsing logic, saved searches, and dashboards for monitoring Trend Micro Deep Security via Splunk.
 
-Version 1.5.2: April 4, 2016
-- Fixed a typographical error in the transforms.conf file for web reputation events. Thank you to Chris Bell for reporting it.
-
-Version 1.5.1: March 28, 2016
-- Fixed an issue with "Intrusion Prevention Rule Updated" events not having their sourcetype modified.
-- Fixed an issue where in some cases a space was included immediately after "CEF:" in the syslog output from Deep Security.
-- Removed all inputs from the application itself to make it compatible with Splunk Cloud and to follow Splunk best practices for monitoring files. 
-
-Version 1.5.0: March 27, 2016
-- Added a single UDP input to handle all Deep Security messages (UDP:1514). The sourcetype is dynamically changed according to the event content.
-- Added "Firewall Events by Location" to the "Deep Security Firewall Dashboard" to map the source IP for firewall events.
-- Added "Intrusion Prevention Events by Location" to the "Deep Security Intrusion Prevention Dashboard" to map the source IP for intrusion prevention events.
-
-Version 1.4.0: January 2, 2014
-- This is the initial release of the Trend Micro Deep Security for Splunk app.
+Please refer to https://github.com/deep-security/splunk/releases for complete change log.