Remove old sqlite database provider

Cargo.toml

@@ -11,12 +11,10 @@ license = "AGPL-3.0-or-later"
 maintenance = { status = "active-developed" }
 
 [features]
-rusqlite_old = ["rusqlite"]
-rusqlite_new = ["rusqlite"]
-default  = ["rusqlite_new"]
-complete = ["rusqlite_new", "postgres", "webbrowser"]
-server   = ["rusqlite_new", "postgres"]
-desktop  = ["rusqlite_new", "webbrowser"]
+default  = ["rusqlite"]
+complete = ["rusqlite", "postgres", "webbrowser"]
+server   = ["rusqlite", "postgres"]
+desktop  = ["rusqlite", "webbrowser"]
 watch    = ["handlebars-iron/watch"]
 strict   = [] # Treat warnings as a build error
 debug    = []

src/db_conn_postgres.rs

@@ -1182,7 +1182,8 @@ impl MedalConnection for Connection {
   'teachers': {},
   'participations': {},
   'submissions': {}
-}}",
+}}
+",
                 now.sec, n_asession, n_apart, n_session, n_user, n_pmsuser, n_teacher, n_part, n_sub
         )
     }

src/db_conn_sqlite_new.header.rs

-#![cfg(feature = "rusqlite_new")]
+#![cfg(feature = "rusqlite")]
 
 extern crate rusqlite;
 

src/db_conn_sqlite_new.rs

@@ -11,7 +11,7 @@
  *                                                                             *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
 
-#![cfg(feature = "rusqlite_new")]
+#![cfg(feature = "rusqlite")]
 
 extern crate rusqlite;
 
@@ -1182,7 +1182,8 @@ impl MedalConnection for Connection {
   'teachers': {},
   'participations': {},
   'submissions': {}
-}}",
+}}
+",
                 now.sec, n_asession, n_apart, n_session, n_user, n_pmsuser, n_teacher, n_part, n_sub
         )
     }

src/main.rs

@@ -23,9 +23,7 @@ extern crate urlencoded;
 
 #[cfg(feature = "postgres")]
 extern crate postgres;
-#[cfg(feature = "rusqlite_old")]
-extern crate rusqlite;
-#[cfg(feature = "rusqlite_new")]
+#[cfg(feature = "rusqlite")]
 extern crate rusqlite;
 #[cfg(feature = "webbrowser")]
 extern crate webbrowser;
@@ -39,7 +37,6 @@ pub mod oauth_provider;
 
 mod db_apply_migrations;
 mod db_conn_postgres;
-mod db_conn_sqlite;
 mod db_conn_sqlite_new;
 mod db_objects;
 mod webfw_iron;