test(examples-chat): delete fully-skipped stop-streaming spec #1391

Job	Run time
CI scope	1m 40s
examples/chat — e2e (2/4)	2m 56s
examples/chat — e2e (1/4)	2m 29s
examples/chat — python smoke	1m 41s
examples/chat — e2e (3/4)	2m 52s
examples/chat — e2e (4/4)	2m 36s
Cockpit — secret-gated integration	0s
Library — lint / test / build	0s
Cockpit — deploy smoke dry-run	0s
Cockpit — e2e dispatcher	0s
Cockpit — build / test	0s
Website — e2e	0s
Cockpit — build all examples	0s
PostHog — dashboards-as-code drift check	0s
Cockpit — representative capability smoke	0s
Website — lint / build	0s
Cockpit — e2e (${{ matrix.cap.angular }})	0s
Cockpit — e2e	0s
CI — required	2s
examples/chat — e2e	3s
Canonical demo → Vercel	0s
Deploy → Vercel	0s
Production smoke	0s
	14m 19s

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