Remove footer with agent status from AgentBlockGrid #5466

Job	Run time
build-and-check	2m 39s
test-integration-packages/agent-runtime	41s
test-integration-.agents	41s
test-integration-packages/internal	50s
test-packages/agent-runtime	57s
test-common	38s
test-integration-packages/billing	47s
test-cli	1m 13s
test-integration-web	38s
test-.agents	39s
test-integration-sdk	44s
test-integration-cli	40s
test-integration-common	40s
test-packages/internal	45s
test-sdk	42s
test-packages/billing	39s
test-web	43s
	14m 36s

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