Remove security@tensorflow.org from SECURITY.md

PiperOrigin-RevId: 609617359

Author: jenriver

SECURITY.md

@@ -2,9 +2,4 @@
 
 Please refer to [TensorFlow’s security model and guidelines][tf-security].
 
-To report any security related issues, please email `security@tensorflow.org`
-[as described in TensorFlow’s `SECURITY.md`][email]. Consult that document for
-details, including an encryption key for especially sensitive disclosures.
-
-[email]: https://github.com/tensorflow/tensorflow/blob/master/SECURITY.md#reporting-vulnerabilities
 [tf-security]: https://github.com/tensorflow/tensorflow/blob/master/SECURITY.md