Bug#746005: lilypond bundles a convenience copy of an ancient guile version

[Thorsten Glaser]

severity 746005 serious
thanks

Justification: violates Policy 4.1.3.0 §4.13 (Convenience copies of code)

While bundling its own Guile might make lilypond “work” for
users, it’s definitely not ripe for a stable release like that.