gnu: python-pypandoc: Do not set HOME.

* gnu/packages/python-xyz.scm (python-pypandoc)[arguments]: Do not set HOME
for the texlive-union.

gnu: python-ipython-documentation: Use new name for texlive-pdftex.

* gnu/packages/python-xyz.scm (python-ipython-documentation)[native-inputs]:
Replace "texlive-generic-pdftex" with "texlive-pdftex".

gnu: Update references to texlive-knuth-lib.

* gnu/packages/tex.scm (texlive-hyph-utf8, texlive-latex-base,
teximpatient)[native-inputs]: Replace references to "texlive-fonts-knuth-lib"
with "texlive-knuth-lib".

gnu: Replace texlive-fonts-knuth-lib with texlive-knuth-lib.

* gnu/packages/tex.scm (texlive-fonts-knuth-lib): Deprecate in favor of...
(texlive-knuth-lib): ...this new variable.

gnu: chez-web: Use new names of TeX Live packages.

* gnu/packages/chez.scm (chez-web)[native-inputs]: Replace
texlive-generic-pdftex, texlive-context-base, and texlive-fonts-cm with the
new names texlive-pdftex, texlive-context, and texlive-cm, respectively.

gnu: chez-sockets: Use new name of texlive-pdftex.

* gnu/packages/chez.scm (chez-sockets)[native-inputs]: Replace
"texlive-generic-pdftex" with "texlive-pdftex".

gnu: chez-web: Remove obsolete build phase.

* gnu/packages/chez.scm (chez-web)[arguments]: Remove build phase "set-HOME".

gnu: teximpatient: Use new name for texlive-pdftex.

* gnu/packages/tex.scm (teximpatient)[native-inputs]: Replace
texlive-generic-pdftex with texlive-pdftex.

gnu: Replace texlive-generic-pdftex with texlive-pdftex.

* gnu/packages/tex.scm (texlive-generic-pdftex): Deprecate in favor of...
(texlive-pdftex): ...this new variable.

gnu: lilypond: Use new name of texlive-lh.

* gnu/packages/music.scm (lilypond)[native-inputs]: Replace "texlive-latex-lh"
in texlive-union with new name "texlive-lh".

gnu: lilypond: Remove obsolete build phase.

* gnu/packages/music.scm (lilypond)[arguments]: Remove build phase
"use-texlive-union".

gnu: texlive-amsfonts: Only create tfm files for Euler fonts.

* gnu/packages/tex.scm (texlive-amsfonts)[arguments]<#:phases>[build-fonts]:
Invoke `afm2tfm' for only the Euler fonts.

gnu: Replace texlive-latex-lh with texlive-lh.

* gnu/packages/tex.scm (texlive-latex-lh): Deprecate in favor of...
(texlive-lh): ...this new variable.

gnu: sbcl: Remove obsolete build phase.

* gnu/packages/lisp.scm (sbcl)[arguments]: Remove obsolete build phase
"set-HOME".

gnu: gtk-doc: Remove obsolete build phase.

* gnu/packages/gtk.scm (gtk-doc)[arguments]: Remove obsolete build phase
"set-HOME".

gnu: hypre: Remove obsolete build phase.

* gnu/packages/maths.scm (hypre)[arguments]: Remove obsolete build phase
"set-HOME".

gnu: mit-scheme: Remove obsolete build phase.

* gnu/packages/scheme.scm (mit-scheme)[arguments]: Remove obsolete build phase
"set-HOME".

gnu: discrover: Use new texlive package names.

* gnu/packages/bioinformatics.scm (discrover)[native-inputs]: Replace
"texlive-fonts-cm" and "texlive-fonts-amsfonts" with their new names
"texlive-cm" and "texlive-amsfonts", respectively.

gnu: discrover: Remove obsolete build phase.

* gnu/packages/bioinformatics.scm (discrover)[arguments]: Remove obsolete
build phase setenv-HOME.

gnu: Replace texlive-metafont-base with texlive-metafont.

* gnu/packages/tex.scm (texlive-metafont-base): Deprecate this variable in
favor of...
(texlive-metafont): ...this new variable.
(texlive-cm, texlive-fonts-knuth-lib, texlive-fonts-latex, texlive-amsfonts,
texlive-etex, texlive-base, texlive-fonts-ec, texlive-fonts-rsfs): Adjust
references to texlive-metafont-base.