Merge pull request #4 from magento-hackathon/fix-static-attributes

Ignore static attributes, fixes #3

Author: sprankhub

Console/Command/RemoveUnusedAttributesCommand.php

@@ -63,6 +63,7 @@ public function execute(InputInterface $input, OutputInterface $output)
         $deleted                 = 0;
         $searchCriteria          = $this->searchCriteriaBuilderFactory->create()
             ->addFilter('is_user_defined', 1)
+            ->addFilter('backend_type', 'static', 'neq')
             ->create();
         $attributes              = $this->attributeRepository
             ->getList(ProductAttributeInterface::ENTITY_TYPE_CODE, $searchCriteria)