Address review feedback: revert package-lock.json, remove navbar entry, remove cities from affiliations

Co-authored-by: michael-schwarz <13812333+michael-schwarz@users.noreply.github.com>

Author: Copilot

package-lock.json

@@ -10,9 +10,9 @@ <h2 class="m-5">Mixed Flow-Sensitive Static Analysis: Engineering Modularity</h2
 
 <div class="row d-flex justify-content-center">
   <ol>
-    <li>Technical University of Munich, Garching, Germany</li>
+    <li>Technical University of Munich, Germany</li>
     <li>University of Tartu, Estonia</li>
-    <li>CISPA Helmholtz Center for Information Security, Saarbrücken, Germany</li>
+    <li>CISPA Helmholtz Center for Information Security, Germany</li>
     <li>National University of Singapore, Singapore</li>
   </ol>
 </div>

src/app/goblint/goblint.component.html

@@ -34,9 +34,6 @@
         <li class="nav-item" routerLinkActive="active">
           <a routerLink="/people" class="nav-link waves-light" mdbWavesEffect>People</a>
         </li>
-        <li class="nav-item" routerLinkActive="active">
-          <a routerLink="/tutorial" class="nav-link waves-light" mdbWavesEffect>Tutorial</a>
-        </li>
         <li class="nav-item" routerLinkActive="active">
           <a href="https://www.cs.cit.tum.de/pl/impressum/" target="_blank" class="nav-link waves-light" mdbWavesEffect>Imprint</a>
         </li>