Rollback api address and remove mimalloc

src/sync.rs

@@ -144,8 +144,9 @@ impl SyncState {
             DisableSync => {
                 let mut state = self.state.lock().unwrap();
                 state.sync_data.key = None;
-
                 delete_settings("SYNC_KEY".to_string(), &state.connection);
+                delete_settings("AUTO_WEB_FETCH".to_string(), &state.connection);
+
             }
             SwitchAutoSync => {
                 self.auto_fetch = !self.auto_fetch;