remove unused context processor

bookmarks/context_processors.py

@@ -18,19 +18,5 @@ def toasts(request):
     }
 
 
-def public_shares(request):
-    # Only check for public shares for anonymous users
-    if not request.user.is_authenticated:
-        query_set = queries.query_shared_bookmarks(
-            None, request.user_profile, BookmarkSearch(), True
-        )
-        has_public_shares = query_set.count() > 0
-        return {
-            "has_public_shares": has_public_shares,
-        }
-
-    return {}
-
-
 def app_version(request):
     return {"app_version": utils.app_version}