MAGETWO-38202: Create skelton language uninstall command

- changes according to CR

Author: Ivan Gavryshko

app/code/Magento/Translation/Console/Command/UninstallLanguageCommand.php

@@ -113,13 +113,11 @@ protected function execute(InputInterface $input, OutputInterface $output)
     {
         $languages = $input->getArgument(self::PACKAGE_ARGUMENT);
         $packagesToRemove = [];
-
         $dependencies = $this->dependencyChecker->checkDependencies($languages, true);
 
         foreach ($languages as $package) {
-
             if (!$this->validate($package)) {
-                $output->writeln("<info>Package $package is not magento language and will be skipped.</info>");
+                $output->writeln("<info>Package $package is not a magento language and will be skipped.</info>");
             } else {
                 if (sizeof($dependencies[$package]) > 0) {
                     $output->writeln("<info>Package $package has dependencies and will be skipped.</info>");
@@ -130,11 +128,9 @@ protected function execute(InputInterface $input, OutputInterface $output)
         }
 
         if ($packagesToRemove !== []) {
-
             if ($input->getOption(self::BACKUP_CODE_OPTION)) {
-                $time = time();
                 $backupRestore = $this->backupRollbackFactory->create($output);
-                $backupRestore->codeBackup($time);
+                $backupRestore->codeBackup(time());
             } else {
                 $output->writeln('<info>You are removing language package without a code backup.</info>');
             }