Merge branch '21pesi1bif-master-patch-04667' into 'master'

Update public/index.html

See merge request !105

public/index.html

@@ -149,9 +149,6 @@
     <div class="menu-item active" id="robot-item" onclick="selectModel('robot')">
       <img src="previewImages/robot.png" alt="Roboter" style="width: 50px; height: 50px;">
     </div>
-    <div class="menu-item" id="sunflower-item" onclick="selectModel('sunflower')">
-      <img src="previewImages/sunflower.png" alt="Sonnenblume" style="width: 50px; height: 50px;">
-    </div>
     <div class="menu-item" id="lantern-item" onclick="selectModel('tree')">
       <img src="previewImages/tree.png" alt="Baum" style="width: 50px; height: 50px;">
     </div>