fix: revert city field on user profile (catalogue prices shown to all users)

main.py

@@ -592,26 +592,13 @@ def update_user_profile():
     uid = verify_token(request.headers.get('Authorization'))
     if not uid:
         return jsonify({'error': 'Invalid or expired token'}), 401
-    data             = request.get_json() or {}
+    data             = request.get_json()
     new_display_name = data.get('displayName')
-    new_city         = data.get('city')
-
-    updates = {}
-    if new_display_name is not None:
-        if not isinstance(new_display_name, str) or len(new_display_name.strip()) == 0:
-            return jsonify({'error': 'A valid displayName is required.'}), 400
-        updates['displayName'] = new_display_name
-    if new_city is not None:
-        if new_city not in SUPPORTED_CITIES:
-            return jsonify({'error': f'city must be one of: {", ".join(SUPPORTED_CITIES)}'}), 400
-        updates['city'] = new_city
-    if not updates:
-        return jsonify({'error': 'Provide displayName and/or city to update.'}), 400
-
+    if not new_display_name or not isinstance(new_display_name, str) or len(new_display_name.strip()) == 0:
+        return jsonify({'error': 'A valid displayName is required.'}), 400
     try:
-        if 'displayName' in updates:
-            auth.update_user(uid, display_name=updates['displayName'])
-        db_ref.child(f'users/{uid}').update(updates)
+        auth.update_user(uid, display_name=new_display_name)
+        db_ref.child(f'users/{uid}').update({'displayName': new_display_name})
         return jsonify({'success': True, 'message': 'Profile updated successfully.'}), 200
     except Exception as e:
         logger.error(f"Error updating profile for user {uid}: {e}")