gnu: Clear or deprecate hyphen-related texlive packages or functions.

* gnu/packages/tex.scm (define-deprecated-package): Move near the top of the
module so it can be called earlier.
(hyph-utf8-scripts): Remove package.
(texlive-hyphen-package): Remove function.
(texlive-dehyph):
(texlive-generic-dehyph-exptl):
(texlive-generic-hyph-utf8):
(texlive-hyphen-afrikaans):
(texlive-hyphen-ancientgreek):
(texlive-hyphen-armenian):
(texlive-hyphen-basque):
(texlive-hyphen-belarusian):
(texlive-hyphen-bulgarian):
(texlive-hyphen-catalan):
(texlive-hyphen-chinese):
(texlive-hyphen-churchslavonic):
(texlive-hyphen-coptic):
(texlive-hyphen-croatian):
(texlive-hyphen-czech):
(texlive-hyphen-danish):
(texlive-hyphen-dutch):
(texlive-hyphen-english):
(texlive-hyphen-esperanto):
(texlive-hyphen-estonian):
(texlive-hyphen-ethiopic):
(texlive-hyphen-finnish):
(texlive-hyphen-french):
(texlive-hyphen-friulan):
(texlive-hyphen-galician):
(texlive-hyphen-georgian):
(texlive-hyphen-german):
(texlive-hyphen-greek):
(texlive-hyphen-hungarian):
(texlive-hyphen-icelandic):
(texlive-hyphen-indic):
(texlive-hyphen-indonesian):
(texlive-hyphen-interlingua):
(texlive-hyphen-irish):
(texlive-hyphen-italian):
(texlive-hyphen-kurmanji):
(texlive-hyphen-latin):
(texlive-hyphen-latvian):
(texlive-hyphen-lithuanian):
(texlive-hyphen-macedonian):
(texlive-hyphen-mongolian):
(texlive-hyphen-norwegian):
(texlive-hyphen-occitan):
(texlive-hyphen-pali):
(texlive-hyphen-piedmontese):
(texlive-hyphen-polish):
(texlive-hyphen-portuguese):
(texlive-hyphen-romanian):
(texlive-hyphen-romansh):
(texlive-hyphen-russian):
(texlive-hyphen-sanskrit):
(texlive-hyphen-schoolfinnish):
(texlive-hyphen-serbian):
(texlive-hyphen-slovak):
(texlive-hyphen-slovenian):
(texlive-hyphen-spanish):
(texlive-hyphen-swedish):
(texlive-hyphen-thai):
(texlive-hyphen-turkish):
(texlive-hyphen-turkmen):
(texlive-hyphen-ukrainian):
(texlive-hyphen-uppersorbian):
(texlive-hyphen-welsh):
(texlive-ruhyphen):
(texlive-ukrhyph): Deprecate package.
* gnu/packages/patches/texlive-hyph-utf8-no-byebug.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Unregister it.

gnu/local.mk

@@ -1980,7 +1980,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/telegram-purple-adjust-test.patch	\
   %D%/packages/patches/texi2html-document-encoding.patch	\
   %D%/packages/patches/texi2html-i18n.patch			\
-  %D%/packages/patches/texlive-hyph-utf8-no-byebug.patch	\
   %D%/packages/patches/thefuck-test-environ.patch		\
   %D%/packages/patches/tidy-CVE-2015-5522+5523.patch		\
   %D%/packages/patches/timewarrior-time-sensitive-tests.patch	\

gnu/packages/patches/texlive-hyph-utf8-no-byebug.patch

@@ -1,13 +0,0 @@
-Description: Avoid dependency on byebug to reduce package closure
-  significantly, see https://issues.guix.gnu.org/55997
-diff --git a/lib/tex/hyphen/language.rb b/lib/tex/hyphen/language.rb
-index 12831417..df6daa39 100644
---- a/lib/tex/hyphen/language.rb
-+++ b/lib/tex/hyphen/language.rb
-@@ -1,6 +1,5 @@
- require 'yaml'
- require 'hydra'
--require 'byebug'
- 
- require_relative 'path'
-