Cleanup: Remove fbsource compatibility overload for NetworkEventUtil.onResponseReceived()

[bhamiltoncx]

Description

Split off from code review on #55706 .

@huntie noted an internal override for NetworkEventUtil.onResponseReceived() marked @Deprecated is still in use by fbsource.

Filing this to add a TODO comment to clean it up once fbsource is migrated off the deprecated API.

Steps to reproduce

@Deprecated API for NetworkEventUtil.onResponseReceived() is still used by fbsource, so it cannot be removed.

React Native Version

0.84.0

Affected Platforms

Other (please specify)

Output of npx @react-native-community/cli info

npx @react-native-community/cli info 
info Fetching system and libraries information...
System:
  OS: macOS 26.2
  CPU: (10) arm64 Apple M4
  Memory: 129.70 MB / 24.00 GB
  Shell:
    version: "5.9"
    path: /bin/zsh
Binaries:
  Node:
    version: 24.11.1
    path: ~/.nvm/versions/node/v24.11.1/bin/node
  Yarn:
    version: 1.22.22
    path: ~/.nvm/versions/node/v24.11.1/bin/yarn
  npm:
    version: 11.6.2
    path: ~/.nvm/versions/node/v24.11.1/bin/npm
  Watchman: Not Found
Managers:
  CocoaPods:
    version: 1.16.2
    path: /opt/homebrew/bin/pod
SDKs:
  iOS SDK:
    Platforms:
      - DriverKit 25.2
      - iOS 26.2
      - macOS 26.2
      - tvOS 26.2
      - visionOS 26.2
      - watchOS 26.2
  Android SDK: Not Found
IDEs:
  Android Studio: 2025.2 AI-252.28238.7.2523.14688667
  Xcode:
    version: 26.2/17C52
    path: /usr/bin/xcodebuild
Languages:
  Java:
    version: 17.0.18
    path: /usr/bin/javac
  Ruby:
    version: 4.0.1
    path: /opt/homebrew/opt/ruby/bin/ruby
npmPackages:
  "@react-native-community/cli": Not Found
  react:
    installed: 19.2.3
    wanted: 19.2.3
  react-native: Not Found
  react-native-macos: Not Found
npmGlobalPackages:
  "*react-native*": Not Found
Android:
  hermesEnabled: Not found
  newArchEnabled: Not found
iOS:
  hermesEnabled: Not found
  newArchEnabled: Not found

Stacktrace or Logs

N/A

MANDATORY Reproducer

https://github.com/facebook/react-native

Screenshots and Videos

No response

[react-native-bot]

Warning

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[react-native-bot]

This issue is waiting for author's feedback since 24 days. Please provide the requested feedback or this will be closed in 7 days.

[huntie]

Stale, was able to follow this up. Thanks!