Remove "All right reserved" from all files

[stuartmorgan-g]

Per guidance from legal on current preferred practice, remove "All rights reserved" from all LICENSE files and header blocks, and update the repo tool check accordingly.

[stuartmorgan-g]

@bparrishMines Could you review this one? Everyone else, please feel free to ignore.

[gemini-code-assist]

Code Review

This pull request systematically removes the phrase 'All rights reserved' from copyright notices across a large number of files. The change is consistently applied to file headers and LICENSE files for various languages and formats, including Dart, Java, Kotlin, Swift, shell scripts, and HTML. This aligns with the stated goal of updating the copyright statements as per legal guidance.

[auto-submit]

autosubmit label was removed for flutter/packages/10066, because - The status or check suite Windows_x64 dart_unit_tests_shard_1 master has failed. Please fix the issues identified (or deflake) before re-applying this label.

[ditman]

RSLGTM!

[auto-submit]

autosubmit label was removed for flutter/packages/10066, because - The status or check suite Linux_web web_platform_tests_wasm_shard_1 master has failed. Please fix the issues identified (or deflake) before re-applying this label.

[auto-submit]

autosubmit label was removed for flutter/packages/10066, because - The status or check suite Linux_web web_platform_tests_wasm_shard_1 master has failed. Please fix the issues identified (or deflake) before re-applying this label.

[LongCatIsLooong]

RSLGTM.

[auto-submit]

autosubmit label was removed for flutter/packages/10066, because - The status or check suite Mac_arm64 ios_platform_tests_shard_3 master has failed. Please fix the issues identified (or deflake) before re-applying this label.