[dap] Remove some code that’s not longer required by @DanTup in https://github.com/flutter/flutter/pull/98928

Don’t terminate Dart process pids from VM Service, record flutter_tools VM pid by @DanTup in https://github.com/flutter/flutter/pull/100223

Remove the end period of a URL in project template by @asashour in https://github.com/flutter/flutter/pull/99816

Filter out some stray Xcode logging during macOS builds by @jmagman in https://github.com/flutter/flutter/pull/100707

[flutter_tools] Fix VersionUpstreamValidator to respect FLUTTER_GIT_URL by @RoyARG02 in https://github.com/flutter/flutter/pull/100605