remove unused Date model

kordophone-db/src/models/date.rs

@@ -1,17 +0,0 @@
-use time::OffsetDateTime;
-
-pub struct Date {
-    pub dt: OffsetDateTime,
-}
-
-impl Date {
-    pub fn new(dt: OffsetDateTime) -> Self {
-        Self { dt }
-    }
-}
-
-impl Default for Date {
-    fn default() -> Self {
-        Self { dt: OffsetDateTime::now_utc() }
-    }
-}

kordophone-db/src/models/mod.rs

@@ -1,6 +1,5 @@
 pub mod conversation;
 pub mod participant;
-pub mod date;
 pub mod db;
 
 // Re-export the public types