Fix duplicate reviewer agent card #6443

Job	Run time
build-and-check	3m 8s
test-integration-packages/billing	1m 5s
test-integration-packages/internal	1m 13s
test-integration-sdk	1m 22s
test-integration-packages/agent-runtime	47s
test-integration-cli	47s
test-integration-web	39s
test-integration-common	39s
test-packages/billing	52s
test-packages/internal	56s
test-packages/agent-runtime	46s
test-common	45s
test-cli	1m 2s
test-.agents	47s
test-sdk	42s
test-web	1m 5s
	16m 35s

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