Merge pull request swiftlang#77421 from hamishknight/update-readme

[xcodegen] Remove todo items from README

Author: hamishknight

utils/swift-xcodegen/README.md

@@ -101,8 +101,3 @@ MISC:
 OPTIONS:
   -h, --help              Show help information.
 ```
-
-## TODO
-
-- [ ] Add support for mixed Swift + Clang targets
-- [ ] More tests