Update SECURITY.md

Change-Id: I0e642854ba422f3b03264e98a4e0079db9cf0a13

Author: Bogdan Degtyariov

SECURITY.md

@@ -14,9 +14,6 @@ contact Oracle Security to use email encryption using our [encryption key](https
 We ask that you do not use other channels or contact the project maintainers
 directly.
 
-Non-vulnerability related security issues including ideas for new or improved
-security features are welcome on GitHub Issues.
-
 ## Security updates, alerts and bulletins
 
 Security updates will be released on a regular cadence. Many of our projects
@@ -29,4 +26,4 @@ on our [security alerts page](https://www.oracle.com/security-alerts/).
 We will provide security related information such as a threat model, considerations
 for secure use, or any known security issues in our documentation. Please note
 that labs and sample code are intended to demonstrate a concept and may not be
-sufficiently hardened for production use.
+sufficiently hardened for production use.