Update SECURITY.md

Author: gerrith3

SECURITY.md

@@ -14,13 +14,6 @@ disclosed) against the specific build script directory that contains the issue.
 
 ich at us dot ibm dot com
 
-# # | Version | Supported          |
-# # | ------- | ------------------ |
-# # | 5.1.x   | :white_check_mark: |
-# # | 5.0.x   | :x:                |
-# # | 4.0.x   | :white_check_mark: |
-# # | < 4.0   | :x:                |
-
 ## Reporting a Vulnerability
 
 If the vulnerability is reported via a github issue, we will try to get it assigned and looked at as quickly as possible.  Given