chore: More typescript FIXME's removed

server/routes/index.test.ts

@@ -1,4 +1,3 @@
-// @ts-expect-error ts-migrate(7016) FIXME: Could not find a declaration file for module 'fetc... Remove this comment to see the full error message
 import TestServer from "fetch-test-server";
 import { buildShare, buildDocument } from "@server/test/factories";
 import { flushdb } from "@server/test/support";