V2 removal and _internal rerouting (#770)

* deleteed v3 exclusive routes

* moved routes around

* fixed linkage that movement broke

* initial merge errors

* fixes

src/models/v3/users.rs

@@ -1,6 +1,5 @@
 use super::ids::Base62Id;
-use crate::auth::flows::AuthProvider;
-use crate::bitflags_serde_impl;
+use crate::{auth::AuthProvider, bitflags_serde_impl};
 use chrono::{DateTime, Utc};
 use rust_decimal::Decimal;
 use serde::{Deserialize, Serialize};