clean up and improve perf

src-tauri/migrations/20230921085234_add_metadata_table.sql

@@ -1,9 +0,0 @@
--- Add migration script here
-CREATE TABLE
-  metadata (
-    id TEXT NOT NULL PRIMARY KEY,
-    event TEXT NOT NULL,
-    author TEXT NOT NULL,
-    kind NUMBER NOT NULL DEFAULt 0,
-    created_at INTEGER NOT NULL
-  );

src-tauri/src/main.rs

@@ -239,12 +239,6 @@ fn main() {
               sql: include_str!("../migrations/20230918235335_add_uniq_to_relay.sql"),
               kind: MigrationKind::Up,
             },
-            Migration {
-              version: 20230921085234,
-              description: "add metadata",
-              sql: include_str!("../migrations/20230921085234_add_metadata_table.sql"),
-              kind: MigrationKind::Up,
-            },
           ],
         )
         .build(),