[PRMP-166] remove PUT from base endpoint

Author: adamwhitingnhs

infrastructure/gateway-document-reference.tf

@@ -14,7 +14,7 @@ module "document_reference_gateway" {
   source              = "./modules/gateway"
   api_gateway_id      = aws_api_gateway_rest_api.ndr_doc_store_api.id
   parent_id           = aws_api_gateway_rest_api.ndr_doc_store_api.root_resource_id
-  http_methods        = ["POST", "PUT"]
+  http_methods        = ["POST"]
   authorization       = "CUSTOM"
   gateway_path        = "DocumentReference"
   authorizer_id       = aws_api_gateway_authorizer.repo_authoriser.id