T2026: Use new (scm markup-facility-defs) scheme module for markup commands.

T2026: Use new (scm markup-facility-defs) scheme module for markup commands.

This affects the following files.
New file
scm/markup-utility-defs.scm

ly/music-functions-init.ly
  Add (scm markup-facility-defs) to the #(use-modules (...) list.
ly/titling-init.ly
  Add #(use-modules (scm markup-facility-defs)) statement.
scm/chord-ignatzek-names
  Add (use-modules (scm markup-facility-defs)) statement.
scm/define-event-classes.scm
  Change (define* simplify e) to (define simplify e)
scm/define-markup-commands.scm
  Add (use-modules (scm markup-facility-defs)) statement.
scm/define-woodwind-diagrams.scm
  Add (use-modules (scm markup-facility-defs)) statement.
scm/display-lily.scm
  Add complete set of clauses to (define-module statement, and consolidate
  all statements into one file.
scm/display-woodwind-diagrams.scm
  Add (use-modules (scm markup-facility-defs)) statement.
scm/font.scm
  Add (use-modules (oops goops)) statement.
scm/framework-ps.scm
  Add #:use-module (scm markup-facility-defs) clause to (define-module)
  statement.
scm/fret-diagrams.scm
  Add (use-modules (scm markup-facility-defs)) statement.
scm/harp-pedals.scm
  Add (use-modules (scm markup-facility-defs)) statement.
scm/lily.scm
  Add (use-modules (scm markup-facility-defs)) statement.
  Group I18n declarations together at the beginning.
  Add some comments.
  Add better --loglevel=DEBUG statement when running with Guile V2.
  Add handling for conditions thrown in new markup-facility-defs module
scm/markup.scm
  Gutted.
scm/markup-macros.scm
  (will be deleted)
scm/output-ps.scm
  Add :#duplicates (replace) clause to prevent squawks
  from (use-modules (guile)) statement.
scm/tablature.scm
  Add (use-modules (scm markup-facility-defs)) statement.

Regression tests:
input/regression/markup-cyclic-references.ly
  Add #(use-modules (scm markup-facility-defs)) statement,
  using markup internal procedure outside of exported macro defs.