Remove dart:html from build_release.sh

[DanTup]

I think this is all correct. We no longer need to build the dart:html version, nor do we need to do gymnastics to put the Flutter version in a folder and change its index to flutter.html.

With this change, running the "Run Server with Release Build" launch config from VS Code seems to work as expected.

[DanTup]

(also removed the old web handler for mapping /packages/ to /pack/ - a folder that no longer exists without the HTML version)

[kenzieschmoll]

Can you verify that running the publish.sh script, and then running dart devtools/bin/devtools.dart launches the flutter web app as expected?

[DanTup]

Yep, it launches fine for me. Previously we were still building the Flutter version at /flutter.html so it would serve up the (missing) dart:html version.

FWIW, if using VS Code there's a launch config "Run Server with Release Build" that will do both steps (though just build_release.sh instead of publish.sh) plus automatically launch the browser and attach the debugger to the server which may be convenient for general testing of release builds (it doesn't modify the gitignore though, so when actually ready to publish you'd need to use the publish script).

[kenzieschmoll]

Awesome. Thanks for the fix!

[kenzieschmoll]