Remove comment (#15493)

Author: sean-brydon

.env.example

@@ -19,11 +19,6 @@
 # instructions. This environment variable is deprecated although still supported for backward compatibility.
 # @see https://console.cal.com
 CALCOM_LICENSE_KEY=
-# Signature token for the Cal.com License API (used for self-hosted integrations)
-# We will give you a token when we provide you with a license key this ensure you and only you can communicate with the Cal.com License API for your license key
-CAL_SIGNATURE_TOKEN=
-# The route to the Cal.com License API
-CALCOM_PRIVATE_API_ROUTE=
 # ***********************************************************************************************************
 
 # - DATABASE ************************************************************************************************