Get Mozart package from original source instead of our fork.

Since the pull requests with required functionality have been accepted
and merged, we can now use the original repository instead of
Woo's fork.

bin/composer/mozart/composer.json

@@ -1,11 +1,5 @@
 {
   "require-dev": {
-    "coenjacobs/mozart": "dev-with-improvements"
-  },
-  "repositories": [
-    {
-      "type": "vcs",
-      "url": "https://github.com/woocommerce/mozart"
-    }
-  ]
+    "coenjacobs/mozart": "dev-master"
+  }
 }

bin/composer/mozart/composer.lock

@@ -4,21 +4,21 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "1f8c8a5a27836dae880f7d54a6b4234a",
+    "content-hash": "eb3fb853d332b8bc18796e0fe3546427",
     "packages": [],
     "packages-dev": [
         {
             "name": "coenjacobs/mozart",
-            "version": "dev-with-improvements",
+            "version": "dev-master",
             "source": {
                 "type": "git",
-                "url": "https://github.com/woocommerce/mozart.git",
-                "reference": "14ead9f55aff907fc345fc5df464728400005a26"
+                "url": "https://github.com/coenjacobs/mozart.git",
+                "reference": "b063c0b3c9923fc763e89376e3d671ce450a839a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/woocommerce/mozart/zipball/14ead9f55aff907fc345fc5df464728400005a26",
-                "reference": "14ead9f55aff907fc345fc5df464728400005a26",
+                "url": "https://api.github.com/repos/coenjacobs/mozart/zipball/b063c0b3c9923fc763e89376e3d671ce450a839a",
+                "reference": "b063c0b3c9923fc763e89376e3d671ce450a839a",
                 "shasum": ""
             },
             "require": {
@@ -41,15 +41,7 @@
                     "CoenJacobs\\Mozart\\": "src/"
                 }
             },
-            "scripts": {
-                "lint": [
-                    "composer validate",
-                    "phpcs"
-                ],
-                "test": [
-                    "phpunit"
-                ]
-            },
+            "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
             ],
@@ -60,16 +52,13 @@
                 }
             ],
             "description": "Composes all dependencies as a package inside a WordPress plugin",
-            "support": {
-                "source": "https://github.com/woocommerce/mozart/tree/with-improvements"
-            },
             "funding": [
                 {
-                    "type": "github",
-                    "url": "https://github.com/coenjacobs"
+                    "url": "https://github.com/coenjacobs",
+                    "type": "github"
                 }
             ],
-            "time": "2020-10-30T09:56:44+00:00"
+            "time": "2020-11-16T21:14:14+00:00"
         },
         {
             "name": "league/flysystem",