Merge pull request #2 from mediact/feature/composer-2-compatibility

Remove requirement to composer plugin API

Author: ashokadewit

composer.json

@@ -17,7 +17,6 @@
   ],
   "require": {
     "php": "^7.0",
-    "composer-plugin-api": "^1.1",
     "mediact/file-mapping": "^1.0"
   },
   "require-dev": {