Update papers.bib

Author: systemreliability

_bibliography/papers.bib

@@ -134,7 +134,6 @@ @inproceedings{lee2022maintenance
   year={2022},
   month={September},
   doi={10.3850/978-981-18-5184-1_MS-08-062-cd},
-  google_scholar_id={WF5omc3nYNoC},
   html={https://www.researchgate.net/publication/371271917_Maintenance_decision-making_for_infrastructure_systems_using_clustering-based_cooperative_multi-agent_deep_Q-network},
   location={Hannover, Germany},
   isbn = "9789811851841",