requirement class is no longer needed

.gitignore

 /vendor/
-.idea
+.idea
\ No newline at end of file
+composer.lock

composer.json

@@ -7,8 +7,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5",
-        "wpdesk/wp-basic-requirements": "^2.0"
+        "php": ">=5.5"
     },
     "require-dev": {
         "phpunit/phpunit": "<7",