ENH Remove unused properties and deprecation notices #3604

Job	Run time
CI / Generate matrix	10s
CI / Context	1s
CI / 8.3 prf-low mariadb phpunit framework-core	6m 23s
CI / Check governance	0s
CI / 8.3 mysql80 phpunit framework-core	8m 23s
CI / 8.4 mysql84 phpunit framework-core	8m 33s
CI / 8.3 prf-low mariadb phpunit framework-orm	13m 6s
CI / 8.3 mysql80 phpunit framework-orm	13m 28s
CI / 8.4 mysql84 phpunit framework-orm	13m 34s
CI / 8.3 mysql80 phplinting	2m 17s
CI / 8.3 mysql80 phpunit framework-cache-only inmemorycache	1m 32s
CI / Dispatch tag patch release	0s
	1h 7m 27s

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