Remove unnecessary error conversion

src/server/database.rs

@@ -26,7 +26,6 @@ pub async fn setup<S: Into<String>>(database_uri: S) -> Result<DbPool, Error> {
     let migration_conn = pool
         .get()
         .await
-        .map_err(|e| ErrorType::Database(e.to_string()))
         .err_context("Failed to get connection to database")?;
 
     tracing::debug!("Running migrations...");