Delete files.json

test/files.json

@@ -1,16 +0,0 @@
-{
-  "info": {
-    "name": "test plugin",
-    "author": "CauseFX",
-    "contact": null,
-    "website": null,
-    "version": "1.0.0",
-    "release_date": "2018-07-12",
-    "last_updated": "2018-07-12"
-  },
-  "files": {
-    "/": "test.pdf",
-    "/plugins/images/test": "test.png",
-    "/api/plugins/api/test": "index.php"
-  }
-}