Issue #2844521 by zaporylie, claudiu.cristea: Do not suggest adding composer requirements manually

composer.json

@@ -12,25 +12,7 @@
     "Spreadsheet",
     "Excel"
   ],
-  "repositories": [
-    {
-      "type": "package",
-      "package": {
-        "name": "phpoffice/phpspreadsheet",
-        "version": "0.0",
-        "dist": {
-          "url": "https://github.com/PHPOffice/PhpSpreadsheet/archive/develop.zip",
-          "type": "zip"
-        }
-      }
-    }
-  ],
   "require": {
-    "phpoffice/phpspreadsheet": "~0.0"
-  },
-  "autoload": {
-    "psr-4": {
-      "PhpOffice\\PhpSpreadsheet\\": "vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet"
-    }
+    "phpoffice/phpspreadsheet": "dev-master"
   }
 }