OZG-6302 OZG-6409 Delete unused icon

alfa-client/libs/collaboration/src/lib/collaboration-in-vorgang-container/collaboration-request-container/collaboration-request-container.component.html

-<div class="flex items-center gap-3">
-  <ods-search-icon />
 <ods-button
   variant="outline"
   text="Zuständige Stelle auswählen"
@@ -7,7 +5,6 @@
 >
   <ods-search-icon icon />
 </ods-button>
-</div>
 
 <div class="my-6">
   <alfa-collaboration-request-form></alfa-collaboration-request-form>