Fix.

src/main.ts

@@ -1,13 +0,0 @@
-import * as core from '@actions/core';
-import findRubyVersion from './find-ruby';
-
-async function run() {
-  try {
-    const version = core.getInput('version');
-    await findRubyVersion(version);
-  } catch (error) {
-    core.setFailed(error.message);
-  }
-}
-
-run();