chore: Remove step to commit Supabase backup SQL files to repository #355

Job	Run time
Security & Code Quality	1m 30s
Test Suite	47s
Build & Performance	4m 43s
Database Tests	1m 6s
Enhanced Security Testing	5m 39s
Deploy to Production	0s
Deploy to Staging	0s
Performance Monitoring (Staging)	0s
Rollback on Failure	0s
Performance Monitoring	0s
	13m 45s

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