Cleaned up admin and mod authorization on routes and added UserPolicy

app/Http/Kernel.php

@@ -52,7 +52,6 @@ class Kernel extends HttpKernel
         'can' => \Illuminate\Auth\Middleware\Authorize::class,
         'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
         'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
-        'is.admin.mod' => \App\Http\Middleware\IsAdminOrMod::class,
         'is.admin' => \App\Http\Middleware\IsAdministrator::class,
         'is.mod' => \App\Http\Middleware\IsModerator::class,
     ];