Update composer.json

Carbon removed - it is already part of the Laravel package. No need to keep an extra dependency.

Author: Webklex

composer.json

@@ -20,8 +20,7 @@
     ],
     "require": {
         "php": ">=5.5.9",
-        "laravel/framework": ">=5.0.0",
-        "nesbot/carbon": "^1.22"
+        "laravel/framework": ">=5.0.0"
     },
     "autoload": {
         "psr-4": {