Remove PHP Requirement

Author: amenk

composer.json

@@ -2,7 +2,6 @@
     "name": "mestrona/magento-module-commonblocks",
     "description": "Magento 2 Module with simple basic blocks",
     "require": {
-        "php": "~5.5.0|~5.6.0|~7.0.0|~7.1.0",
         "magento/module-store": "*"
     },
     "type": "magento2-module",