Remove unused global

bin/addons-validator

@@ -4,6 +4,3 @@ var path = require('path');
 
 var AddonValidator = require('../dist/addons-validator').createInstance();
 AddonValidator.run();
-
-var absoluteAppRoot = path.resolve(__dirname);
-global.relativeAppPath = path.relative(process.cwd(), absoluteAppRoot);