Update composer.json

Author: peterjaap

composer.json

@@ -2,7 +2,6 @@
     "name": "elgentos/frontend2fa",
     "description": "Magento 2 Frontend 2FA implementation",
     "require": {
-        "php": "~5.5.0|~5.6.0|~7.0.0|~7.1.0|~7.2.0|~7.3.0|~7.4.0",
         "juashyam/authenticator": "0.0.1",
         "endroid/qr-code": "*"
     },