[SSL] Remove instruction to reach out about HSM via email (#20552)

Author: RebeccaTamachiro

src/content/docs/ssl/keyless-ssl/hardware-security-modules/index.mdx

@@ -42,6 +42,4 @@ Also, the following cloud HSM offerings have been tested with Keyless SSL:
 - [Azure Managed HSM](/ssl/keyless-ssl/hardware-security-modules/azure-managed-hsm/)
 - [Fortanix DSM](/ssl/keyless-ssl/hardware-security-modules/fortanix-dsm/)
 - [IBM Cloud HSM](/ssl/keyless-ssl/hardware-security-modules/ibm-cloud-hsm/)
-- [Google Cloud HSM](/ssl/keyless-ssl/hardware-security-modules/google-cloud-hsm/)
-
-If you have deployed Keyless SSL with an HSM model not listed above, please email [[email protected]](mailto:[email protected]) with details.
+- [Google Cloud HSM](/ssl/keyless-ssl/hardware-security-modules/google-cloud-hsm/)