Remove social link items and update test email

resources/views/mail/test.blade.php

@@ -0,0 +1,11 @@
+@component('mail::message',['site'=>$site,'heading'=>'System Test Email'])
+Hi {{ isset($user) ? $user->name_full.',' : '' }}
+
+This is just a test email to validate that you can receive emails from us.
+
+Nothing you need to do!
+
+Thanks,
+
+{{ config('mail.from.name') }}
+@endcomponent