Remove incorrect type showing internal events in `step.waitForEvent()` #2505

Job	Run time
Create examples test matrix	2s
inngest: Lint	40s
inngest: Local API diff	30s
eslint-plugin: Test	32s
inngest: Runtime tests (14)	1m 21s
inngest: Composite tests	55s
inngest: Dependency tests	31s
inngest: Runtime tests (16)	1m 11s
inngest: Dist tests	36s
inngest: Runtime tests (18)	1m 11s
inngest: Runtime tests (20)	1m 12s
inngest: Package	45s
inngest: Type tests (latest)	1m 19s
inngest: Type tests (~5.5.0)	46s
inngest: Type tests (~5.4.0)	44s
inngest: Type tests (~5.3.0)	42s
inngest: Type tests (~5.2.0)	50s
inngest: Type tests (~5.1.0)	50s
inngest: Type tests (~5.0.0)	46s
inngest: Type tests (~4.9.0)	45s
inngest: Type tests (~4.8.0)	52s
inngest: Type tests (~4.7.0)	53s
Test examples (framework-nextjs-pages-router)	1m 30s
Test examples (framework-express)	1m 17s
Test examples (framework-sveltekit)	1m 22s
Test examples (framework-google-functions-framework)	1m 21s
Test examples (bun)	1m 10s
Test examples (framework-fastify)	1m 24s
Test examples (framework-hono)	1m 21s
Test examples (framework-remix)	1m 49s
Test examples (framework-koa)	1m 17s
Test examples (framework-nextjs-app-router)	1m 31s
Test examples (framework-nuxt)	1m 42s
Test examples (framework-astro)	1m 30s
	35m 7s

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