test(tanstackstart-react): drop tunnel chain from default test:assert

The tunnel variants run independently through sentryTest.variants in
CI, so the chained `test:assert` was redundant and slow to run locally.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: nikolovlazar

dev-packages/e2e-tests/test-applications/tanstackstart-react/package.json

@@ -15,7 +15,7 @@
     "test:build:tunnel-object": "pnpm install && E2E_TEST_TUNNEL_ROUTE_MODE=object E2E_TEST_DSN=http://public@localhost:3031/1337 pnpm build",
     "test:build-latest": "pnpm add @tanstack/react-start@latest @tanstack/react-router@latest && pnpm install && pnpm build",
     "test:assert:proxy": "pnpm test",
-    "test:assert": "pnpm test:assert:proxy && E2E_TEST_TUNNEL_ROUTE_MODE=dynamic pnpm build && pnpm test:assert:tunnel-generated && E2E_TEST_TUNNEL_ROUTE_MODE=static pnpm build && pnpm test:assert:tunnel-static && E2E_TEST_CUSTOM_TUNNEL_ROUTE=1 pnpm build && pnpm test:assert:tunnel-custom && E2E_TEST_TUNNEL_ROUTE_MODE=object pnpm build && pnpm test:assert:tunnel-object",
+    "test:assert": "pnpm test:assert:proxy",
     "test:assert:tunnel-generated": "E2E_TEST_TUNNEL_ROUTE_MODE=dynamic E2E_TEST_DSN=http://public@localhost:3031/1337 pnpm test",
     "test:assert:tunnel-static": "E2E_TEST_TUNNEL_ROUTE_MODE=static E2E_TEST_DSN=http://public@localhost:3031/1337 pnpm test",
     "test:assert:tunnel-custom": "E2E_TEST_CUSTOM_TUNNEL_ROUTE=1 pnpm test",