refactor(linter/plugins): simplify exports (#16172)

Pure refactor. Just simplify code a little.

Author: overlookmotel

apps/oxlint/src-js/plugins/index.ts

@@ -1,4 +1,2 @@
-import { lintFile } from "./lint.js";
-import { loadPlugin } from "./load.js";
-
-export { lintFile, loadPlugin };
+export { lintFile } from "./lint.js";
+export { loadPlugin } from "./load.js";