[dev-launcher] remove flipper workaround

[Kudo]

Why

noticed some flipper stuff in adb log when running bare-expo on android because flipper classes not found. since flipper are removed now, we could also remove the previous workaround #18105

How

remove flipper relevant code

Test Plan

ci passed

Checklist

• Documentation is up to date to reflect these changes (eg: https://docs.expo.dev and README.md).
• Conforms with the Documentation Writing Style Guide
• This diff will work correctly for npx expo prebuild & EAS Build (eg: updated a module plugin).

[expo-bot]

The Pull Request introduced fingerprint changes against the base commit: 3d2157c

Fingerprint diff

[
  {
    "type": "dir",
    "filePath": "../../packages/expo-dev-launcher",
    "reasons": [
      "expoAutolinkingIos",
      "expoAutolinkingAndroid"
    ],
    "hash": "c619b75193d4926a14e6f84785ca8e13cfa3066c"
  }
]

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