fix: update input warning (#1870)

Co-authored-by: tj-actions[bot] <109116665+tj-actions-bot@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: GitHub Action <action@github.com>

src/main.ts

@@ -256,12 +256,7 @@ export async function run(): Promise<void> {
     (!hasGitDirectory || inputs.useRestApi)
   ) {
     core.info("Using GitHub's REST API to get changed files")
-    if (process.env.GITHUB_ACTION_PATH) {
-      await warnUnsupportedRESTAPIInputs({
-        actionPath: path.join(process.env.GITHUB_ACTION_PATH, 'action.yml'),
-        inputs
-      })
-    }
+    await warnUnsupportedRESTAPIInputs({inputs})
     await getChangedFilesFromRESTAPI({
       inputs,
       filePatterns,