DOCSP-14691 remove AWS language in GCP step

Author: andf-mongodb

source/includes/steps-gcp-kms.yaml

@@ -19,8 +19,6 @@ content: |
 
   Configuring client-side field level encryption for the GCP KMS
   requires your GCP Email and its associated Private Key.
-  The AWS Access Key must correspond to an IAM user with all *List* and
-  *Read* permissions for the KMS service.
   
   In ``mongosh``, create a new
   :ref:`ClientSideFieldLevelEncryptionOptions` variable for storing the