Remove freebuff waiting room flag #6619

Job	Run time
build-and-check	2m 52s
test-integration-packages/billing	1m 4s
test-integration-common	39s
test-integration-cli	49s
test-integration-sdk	1m 12s
test-integration-packages/agent-runtime	46s
test-integration-packages/internal	1m 9s
test-packages/agent-runtime	42s
test-common	46s
test-packages/billing	40s
test-integration-web	47s
test-web	59s
test-.agents	40s
test-cli	58s
test-sdk	46s
test-packages/internal	50s
	15m 39s

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