DEP Remove all references to react-dnd #1804

Job	Run time
CI / Generate matrix	12s
CI / Context	1s
CI / Check governance	0s
CI / 8.3 prf-low mariadb phpunit all	2m 3s
CI / 8.3 mysql80 phpunit all	2m 18s
CI / 8.4 mysql84 phpunit all	2m 33s
CI / 8.3 mysql80 phplinting	1m 45s
CI / 8.3 mysql80 endtoend root job1	11m 43s
CI / 8.4 mysql84 endtoend root job1	14m 31s
CI / 8.3 mysql80 endtoend root job2	9m 3s
CI / 8.4 mysql84 endtoend root job2	7m 50s
CI / 8.3 mysql80 endtoend root job3	10m 20s
CI / 8.4 mysql84 endtoend root job3	9m 34s
CI / 8.3 mysql80 js	4m 52s
CI / Dispatch tag patch release	0s
	1h 16m 45s

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