API Remove GraphQL #877

Job	Run time
CI / Context	1s
CI / Generate matrix	15s
CI / 8.1 prf-low mysql57 phpunit all	2m 24s
CI / Check governance	0s
CI / 8.2 mariadb phpunit all	2m 41s
CI / 8.3 mysql80 phpunit all	2m 48s
CI / 8.1 mysql57 phplinting	1m 58s
CI / 8.1 mysql57 endtoend root job1	13m 37s
CI / 8.3 mysql80 endtoend root job1	14m 36s
CI / 8.1 mysql57 endtoend root job2	22m 5s
CI / 8.3 mysql80 endtoend root job2	21m 26s
CI / 8.1 mysql57 endtoend root job3	6m 27s
CI / 8.3 mysql80 endtoend root job3	7m 12s
CI / 8.1 mysql57 js	4m 13s
CI / Dispatch tag patch release	0s
	1h 39m 43s

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