Update SECURITY.md

SECURITY.md

@@ -3,14 +3,7 @@
 ## How to contact us
 
 Please send any issue that you feel affects the
-security of Trustroots to **[email protected]** or [via our contact form](https://www.trustroots.org/contact).
-
-If we do not respond promptly, please send us a quick
-message _without details_ to one of the following:
-
-- An issue at [GitHub](https://github.com/Trustroots/trustroots/issues)
-- Message [@trustroots](https://twitter.com/trustroots) on Twitter.
-- Give us a heads up on IRC in [#trustroots](https://webchat.freenode.net/?channels=trustroots) on Freenode.
+security of Trustroots to **[email protected]**.
 
 ## Bug Bounties