Add agenda item for producers section.

As suggested by @xtuc in [tool-conventions/#93](WebAssembly/tool-conventions#93).

Author: lukewagner

2019/CG-02-19.md

@@ -28,6 +28,7 @@ Installation is required, see the calendar invite.
 1. Adoption of the agenda
 1. Proposals and discussions
     1. Review of action items from prior meeting.
+    1. Update on [producers section](https://github.com/WebAssembly/tool-conventions/blob/master/ProducersSection.md): [tool-conventions/#93](https://github.com/WebAssembly/tool-conventions/issues/93) points to likely non-use in practice and so next steps would be to either remove or [soften wording](https://github.com/WebAssembly/tool-conventions/issues/93#issuecomment-459879563).
 1. Closure
 
 ## Agenda items for future meetings