Deletion of Singaporean presidential election, 2023

Comment: Needs rewriting in the correct tense (which I've now done), but not a crystal ball exercise; we have numerous articles on elections scheduled to happen in the next decade (United States presidential election, 2020, Norwegian parliamentary election, 2021, French presidential election, 2022,  which are explicitly allowed under 
Stance: keep
Cited policy: Wikipedia:What Wikipedia is not (WP:CRYSTAL)