MNT Remove campaign-admin #1303

Job	Run time
CI / Generate matrix	8s
CI / Context	1s
CI / Check governance	0s
CI / 8.3 prf-low mariadb phpunit framework-core	8m 0s
CI / 8.3 mysql80 phpunit framework-core	10m 3s
CI / 8.3 mysql84 phpunit framework-core	10m 42s
CI / 8.3 prf-low mariadb phpunit framework-orm	12m 27s
CI / 8.3 mysql80 phpunit framework-orm	13m 57s
CI / 8.3 mysql84 phpunit framework-orm	13m 29s
CI / 8.3 prf-low mariadb phpunit core	5m 57s
CI / 8.3 mysql80 phpunit core	7m 16s
CI / 8.3 mysql84 phpunit core	7m 3s
CI / 8.3 prf-low mariadb phpunit admin	5m 27s
CI / 8.3 mysql80 phpunit admin	5m 43s
CI / 8.3 mysql84 phpunit admin	5m 55s
CI / 8.3 mysql80 endtoend admin	22m 35s
CI / 8.3 mysql80 endtoend asset-admin	19m 47s
CI / 8.3 mysql80 endtoend cms	21m 31s
CI / Dispatch tag patch release	0s
	2h 50m 1s

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