removed unused; added temp dir

src/index.ts

@@ -1,6 +1,5 @@
 import * as core from '@actions/core';
 import * as installer from './installer';
-import * as path from 'path';
 
 async function run() {
   try {
@@ -8,9 +7,6 @@ async function run() {
     const channel = core.getInput('channel', {required: false}) || 'stable';
 
     await installer.getFlutter(version, channel);
-
-    const matchersPath = path.join(__dirname, '..', '.github');
-    console.log(`##[add-matcher]${path.join(matchersPath, 'flutter.json')}`);
   } catch (error) {
     core.setFailed(error.message);
   }