delete some agents #5467

Job	Run time
build-and-check	2m 33s
test-integration-packages/internal	45s
test-integration-packages/agent-runtime	40s
test-integration-common	45s
test-web	43s
test-packages/agent-runtime	59s
test-integration-sdk	39s
test-.agents	40s
test-sdk	45s
test-cli	1m 17s
test-integration-web	38s
test-integration-.agents	40s
test-common	40s
test-packages/internal	45s
test-packages/billing	41s
test-integration-cli	38s
test-integration-packages/billing	40s
	14m 28s

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