remove old project board workflow (#1831) #393

Job	Run time
staging / integrate	2m 18s
staging / e2e-tests / chromium (1/6)	3m 58s
staging / e2e-tests / chromium (2/6)	3m 31s
staging / e2e-tests / chromium (3/6)	3m 17s
staging / e2e-tests / chromium (4/6)	3m 0s
staging / e2e-tests / chromium (5/6)	3m 3s
staging / e2e-tests / chromium (6/6)	3m 12s
staging / e2e-tests / firefox (1/6)	5m 38s
staging / e2e-tests / firefox (2/6)	4m 17s
staging / e2e-tests / firefox (3/6)	3m 30s
staging / e2e-tests / firefox (4/6)	3m 36s
staging / e2e-tests / firefox (5/6)	3m 32s
staging / e2e-tests / firefox (6/6)	3m 52s
staging / e2e-tests / e2e-tests-result	1s
staging / deploy	22s
	47m 7s

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