refactor(domain): remove ap_id/inbox_url from User and Thought; use ActivityPubRepository lookups

crates/domain/src/models/user.rs

@@ -13,8 +13,6 @@ pub struct User {
     pub header_url: Option<String>,
     pub custom_css: Option<String>,
     pub local: bool,
-    pub ap_id: Option<String>,
-    pub inbox_url: Option<String>,
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
 }
@@ -38,8 +36,6 @@ impl User {
             header_url: None,
             custom_css: None,
             local: true,
-            ap_id: None,
-            inbox_url: None,
             created_at: now,
             updated_at: now,
         }