Remove (or at least greatly reduce) Orca's customized character name usage
Instead of maintaining a custom set of character names, we should turn that over to speech-dispatcher. The fact that we don't already is the reason why Orca's presentation of characters is inconsistent.
- Can you think of any reason why the non-math-content character names should not be deleted?
- Thoughts on how we could safely defer math-content character naming over to speech-dispatcher?