API Remove GraphQL #841

Job	Run time
CI / Context	1s
CI / Generate matrix	15s
CI / Check governance	1s
CI / 8.3 prf-low mysql57 phpunit all	2m 21s
CI / 8.3 mariadb phpunit all	2m 14s
CI / 8.3 mysql57 phplinting	2m 10s
CI / 8.3 mysql57 endtoend root job1	11m 0s
CI / 8.3 mysql80 endtoend root job1	11m 9s
CI / 8.3 mysql57 endtoend root job2	10m 21s
CI / 8.3 mysql80 endtoend root job2	10m 25s
CI / 8.3 mysql57 endtoend root job3	11m 27s
CI / 8.3 mysql80 endtoend root job3	10m 59s
CI / 8.3 mysql57 js	5m 19s
CI / Dispatch tag patch release	0s
	1h 17m 42s

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