tweak casino mobs and loot #53654

Job	Run time
Compile All Maps (STABLE)	48s
Lint with OpenDream	36s
Run Linters	2m 10s
Compile All Maps (BETA)	46s
Windows RUSTG Validation	1m 2s
Unit Tests + SQL Validation (BETA)	2m 54s
Unit Tests + SQL Validation (STABLE)	3m 38s
Station Tests (boxstation, BETA)	2m 9s
Station Tests (metastation, STABLE)	1m 37s
Station Tests (cerestation, STABLE)	1m 43s
Station Tests (boxstation, STABLE)	2m 9s
Station Tests (deltastation, BETA)	2m 13s
Station Tests (deltastation, STABLE)	1m 45s
Station Tests (metastation, BETA)	1m 53s
Station Tests (emeraldstation, STABLE)	2m 1s
Station Tests (cerestation, BETA)	1m 58s
Station Tests (emeraldstation, BETA)	2m 12s
	31m 34s

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