Remove missing docs reference #6415

Job	Run time
build-and-check	3m 14s
test-integration-packages/billing	1m 12s
test-integration-packages/internal	1m 14s
test-integration-web	43s
test-integration-cli	51s
test-integration-common	44s
test-packages/agent-runtime	43s
test-common	38s
test-integration-sdk	1m 16s
test-integration-packages/agent-runtime	51s
test-packages/billing	41s
test-web	1m 4s
test-sdk	48s
test-cli	50s
test-packages/internal	46s
test-.agents	42s
	16m 17s

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