Pr feedback; add name to the schema doc and remove SQLite for the time being

Author: Jamesbarford

database/schema.md

@@ -303,7 +303,7 @@ Information about the collector; it's target architecture, when it was added, wh
 ```
 sqlite> SELECT * FROM collector_config;
 
-id         target                     date_added     last_heartbeat_at  benchmark_set  is_active
----------  -------------------------  -------------  ----------------   ---------      -------
-1          aarch64-unknown-linux-gnu  2025-06-11...  2025-06-12 17...   2              0
+id         target                     name  date_added     last_heartbeat_at  benchmark_set  is_active
+---------  -------------------------  ----  -------------  ----------------   ---------      -------
+1          aarch64-unknown-linux-gnu  foo   2025-06-11...  2025-06-12 17...   2              0
 ```

database/src/pool/sqlite.rs

@@ -405,19 +405,6 @@ static MIGRATIONS: &[Migration] = &[
         alter table pstat_series_with_target rename to pstat_series;
     "#,
     ),
-    Migration::without_foreign_key_constraints(
-        r#"
-        CREATE TABLE IF NOT EXISTS collector_config (
-            id                INTEGER AUTO INCREMENT PRIMARY KEY,
-            target            TEXT NOT NULL,
-            name              TEXT NOT NULL,
-            date_added        TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
-            last_heartbeat_at TIMESTAMP,
-            benchmark_set     INTEGER NOT NULL,
-            is_active         BOOLEAN DEFAULT FALSE NOT NULL
-        );
-        "#,
-    ),
 ];
 
 #[async_trait::async_trait]