remove ReportCollator message #14910

Job	Run time
preflight / preflight	41s
preflight / ci-versions	1m 7s
test-linux-stable (1/3, parity-large)	38m 50s
test-linux-stable-runtime-benchmarks	28m 24s
test-linux-stable (1/3, parity-oldlinux)	30m 21s
test-linux-stable-int	9m 20s
test-linux-stable-no-try-runtime (1/2)	39m 13s
test-linux-stable (2/3, parity-large)	29m 36s
test-linux-stable-no-try-runtime (2/2)	30m 28s
test-linux-stable (2/3, parity-oldlinux)	18m 32s
test-linux-stable (3/3, parity-large)	28m 50s
test-linux-stable (3/3, parity-oldlinux)	17m 38s
All tests passed	1s
	4h 33m 1s

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