[llvm] [DebugInfo][CodeView] Move codeview::SourceLanguage enumerators to CodeViewLanguages.def (NFC) (PR #141750)

[Javier Lopez-Gomez via llvm-commits]

jalopezg-git wrote:

> > > @jalopezg-git Have you solved your permission access?
> > 
> > 
> > No news yet; apparently, it's taking a bit long. @CarlosAlbertoEnciso, could you merge this on my behalf?
> 
> Happy to do it. As the PR description contains other comments, would you be happy with the following text? Added the `CodeView` label.
> 
> ```
> [DebugInfo][CodeView] Move codeview::SourceLanguage enumerators to CodeViewLanguages.def (NFC) #141750
> 
> This PR proposes moving out enumerators for codeview::SourceLanguage
> to a separate CodeViewLanguages.def file, following the same guideline
> that in other parts of LLVM, and in particular the TypeRecordKind
> (enumerators in CodeViewTypes.def) or SymbolRecordKind (enumerators
> in CodeViewSymbols.def).
> 
> This is a non-functional change, and has been labeled as such.
> This change helps for https://github.com/llvm/llvm-project/pull/137223,
> and possibly other future changes.
> ```

Done :+1:.

https://github.com/llvm/llvm-project/pull/141750