Remove security incident process

We are not ready to receive private security incidents on this project
yet. This only becomes relevant after deployment.

Change-Id: I9e28eda5f68199aedad81f7803f14ba27fc412a5
Signed-off-by: Sandrine Afsa <sandrine.afsa@arm.com>
diff --git a/README.md b/README.md
index 0fc8f6a..c6e6677 100644
--- a/README.md
+++ b/README.md
@@ -40,10 +40,6 @@
 
 Contributions are handled through [review.trustedfirmware.org](https://review.trustedfirmware.org/q/project:rust-spmc/arm-psci).
 
-## Reporting Security Issues
-
-Please follow the directions of the [Trusted Firmware Security Center](https://trusted-firmware-docs.readthedocs.io/en/latest/security_center/index.html).
-
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 *Copyright 2025 Arm Limited and/or its affiliates <open-source-office@arm.com>*