Remove duplicate trailingComma setting from .prettierrc.js #1836 #5981

Job	Run time
changes	5s
test-amd64-arch (linux/amd64, 8, embedded, mysql)	36m 26s
test-amd64-arch (linux/amd64, 8, embedded, h2)	35m 44s
test-amd64-arch (linux/amd64, 8, deploy, mysql)	41m 24s
test-amd64-arch (linux/amd64, 8, deploy, h2)	42m 31s
test-amd64-arch (linux/amd64, 11, embedded, mysql)	32m 38s
test-amd64-arch (linux/amd64, 11, embedded, h2)	33m 30s
test-amd64-arch (linux/amd64, 11, deploy, mysql)	40m 13s
test-amd64-arch (linux/amd64, 11, deploy, h2)	39m 50s
test-amd64-arch (linux/amd64, 17, embedded, mysql)	34m 28s
test-amd64-arch (linux/amd64, 17, embedded, h2)	34m 30s
test-amd64-arch (linux/amd64, 17, deploy, mysql)	40m 45s
test-amd64-arch (linux/amd64, 17, deploy, h2)	40m 57s
	7h 33m 1s

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