`warnMixModes` temporarily disabled

[processing-bot]

Created by: benfry

The warnMixedModes section of the Processing.g4 grammar was breaking autocomplete.

(See #491 for that issue)

The commit that caused the breakage is 0f9b290

The temporary workaround is in caf1ba9

This will affect 4.0 beta 9 unless we happen to get a fix before then.

[processing-bot]

Created by: benfry

@sampottinger This was a nasty one that I meant to ask you about…

[processing-bot]

Created by: sampottinger

Thanks for catching that @benfry. I should have some time tomorrow. I'll take a look!

[processing-bot]

Created by: benfry

Awesome, thanks!