Webpack: Find proper solution for azure-arm-resource dynamic module load issue in webpack.config.js

[StephenWeatherford]

from webpack.config.js:

// CONSIDER: Figure out how to make this work properly. The consequences of ignoring this error are that
// the Azure SDKs (e.g. azure-arm-resource) don't get their info stamped into the user agent info for their calls.

[BigMorty]

@StephenWeatherford can you provide more info on this and whether it is still something that needs attention.

[StephenWeatherford]

Yes, it still applies, I believe the consequences I state are correct. But it affects all our extensions, as well as others (it's a fundamental problem with webpack), so I'm not positive of whether anyone cares enough to fix.

[bwateratmsft]

We'll be getting rid of this package anyway with #844.