Add notes Audio Config - deprecate DTS and Auro

[SteveLLamb]

Line up info with Illustrated Guide, closes #972

[palemieux]

We should use the opportunity to add a deprecated flag to the schema for that register.

[SteveLLamb]

We should use the opportunity to add a deprecated flag to the schema for that register.

Oh good point, also adding in the replaced by, since we have that for ATMOS.

[SteveLLamb]

We should use the opportunity to add a deprecated flag to the schema for that register.

@palemieux Addressed in 995cd7c

[palemieux]

The deprecation flags should be validated in https://github.com/ISDCF/registries/blob/master/src/main/scripts/audioconfigs.validate.js as they are at:

registries/src/main/scripts/studios.validate.js

Line 33 in d0e558f

(registry[i].obsoletedBy||[]).forEach(obs => {

[SteveLLamb]

The deprecation flags should be validated in https://github.com/ISDCF/registries/blob/master/src/main/scripts/audioconfigs.validate.js as they are at:

registries/src/main/scripts/studios.validate.js

Line 33 in d0e558f

(registry[i].obsoletedBy||[]).forEach(obs => {

So the difference with the Audio, is that not all deprecated have a replacement, such as Auro and DTSX. Studios are required to have a pointer to new Studio, we don't really use that flag the same way there.