refactor(cli): clean up print version

Author: juliemr

Diff for: lib/cli.js

@@ -57,14 +57,10 @@ var argv = require('optimist').
     }).
     argv;
 
-var printVersion = function () {
+if (argv.version) {
   util.puts('Version ' + JSON.parse(
       fs.readFileSync(__dirname + '/../package.json', 'utf8')).version);
   process.exit(0);
-};
-
-if (argv.version) {
-  printVersion();
 }
 
 // Any file names should be resolved relative to the current working directory.