Remove Inspector Panel perf + network tabs under New Arch

[huntie]

Summary: Changelog: [General][Breaking] - Remove Inspector Panel perf + network tabs under New Arch (see https://github.com/react-native-community/discussions-and-proposals/pull/777)

Differential Revision: D62123634

[facebook-github-bot]

This pull request was exported from Phabricator. Differential Revision: D62123634

[facebook-github-bot]

This pull request has been merged in facebook/react-native@f220bde4d7d556b3be83cccff0eec5da22921aba.

[react-native-bot]

This pull request was successfully merged by @huntie in f220bde4d7d556b3be83cccff0eec5da22921aba

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