removed google+ added stackoverflow

index.html

@@ -59,14 +59,14 @@
                 class="fab fa-fw fa-4x fa-linkedin"></span></a></div>
         <div class="m-2"><a href="https://www.xing.com/profile/Samuel_Philipp"><span
                 class="fab fa-fw fa-4x fa-xing"></span></a></div>
+        <div class="m-2"><a href="https://stackoverflow.com/users/9662601/samuel-p"><span
+                class="fab fa-fw fa-4x fa-stack-overflow"></span></a></div>
         <div class="m-2"><a href="https://gitlab.com/samuel-p"><span
                 class="fab fa-fw fa-4x fa-gitlab"></span></a></div>
         <div class="m-2"><a href="https://github.com/samuel-p"><span
                 class="fab fa-fw fa-4x fa-github"></span></a></div>
         <div class="m-2"><a href="https://play.google.com/store/apps/dev?id=8296137950626773262"><span
                 class="fab fa-fw fa-4x fa-android"></span></a></div>
-        <div class="m-2"><a href="https://plus.google.com/u/0/+SamuelPd"><span
-                class="fab fa-fw fa-4x fa-google-plus"></span></a></div>
         <div class="m-2"><a href="mailto:mail@sp-codes.de"><span
                 class="fas fa-fw fa-4x fa-envelope"></span></a></div>
     </div>