deps(api_models): put the errors module behind a feature flag (#815)

crates/api_models/src/webhooks.rs

@@ -50,14 +50,6 @@ impl From<IncomingWebhookEvent> for WebhookFlow {
     }
 }
 
-pub struct IncomingWebhookRequestDetails<'a> {
-    pub method: actix_web::http::Method,
-    pub headers: &'a actix_web::http::header::HeaderMap,
-    pub body: &'a [u8],
-    pub query_params: String,
-    pub query_params_json: &'a [u8],
-}
-
 pub type MerchantWebhookConfig = std::collections::HashSet<IncomingWebhookEvent>;
 
 pub enum RefundIdType {