How to reproduce:
1. Open the user’s attached project “Bug addressable deleted labels.zip“
2. Press Test → Get labels and observe the Console
3. Press Window → Asset Management → Addressables → Groups
4. Expand Remote group (Default)
5. Observe the materials labels
6. Press Tools → Window → Labels
7. Delete the “label2” Label from the list
8. Repeat step 2
Expected result: the label is deleted from the asset
Actual result: label is not deleted from the asset
Reproducible with: 2020.3.41f1, 2021.3.13f1, 2022.1.22f1, 2022.2.0b14, 2023.1.0a18
Reproducible on: Windows 10 Pro