gnu: texlive-tpslifonts: Remove duplicate definition.

* gnu/packages/tex.scm (texlive-texmate): Remove duplicate variable.

gnu: texlive-isodate: Remove duplicate definition.

* gnu/packages/tex.scm (texlive-isodate): Remove duplicate variable.

gnu: texlive-glossaries-extra: Remove duplicate definition.

* gnu/packages/tex.scm (texlive-glossaries-extra): Remove duplicate
definition.

gnu: Add texlive-scheme-full.

* gnu/packages/tex.scm (texlive-scheme-full): New variable.

gnu: Add texlive-collection-latexextra.

* gnu/packages/tex.scm (texlive-collection-latexextra): New variable.

gnu: Add texlive-zwpagelayout.

* gnu/packages/tex.scm (texlive-zwpagelayout): New variable.

gnu: Add texlive-zwgetfdate.

* gnu/packages/tex.scm (texlive-zwgetfdate): New variable.

gnu: Add texlive-zref-vario.

* gnu/packages/tex.scm (texlive-zref-vario): New variable.

gnu: Add texlive-zref-clever.

* gnu/packages/tex.scm (texlive-zref-clever): New variable.

gnu: Add texlive-zref-check.

* gnu/packages/tex.scm (texlive-zref-check): New variable.

gnu: Add texlive-ziffer.

* gnu/packages/tex.scm (texlive-ziffer): New variable.

gnu: Add texlive-zennote.

* gnu/packages/tex.scm (texlive-zennote): New variable.

gnu: Add texlive-zed-csp.

* gnu/packages/tex.scm (texlive-zed-csp): New variable.

gnu: Add texlive-zebra-goodies.

* gnu/packages/tex.scm (texlive-zebra-goodies): New variable.

gnu: Add texlive-yplan.

* gnu/packages/tex.scm (texlive-yplan): New variable.

gnu: Add texlive-ycbook.

* gnu/packages/tex.scm (texlive-ycbook): New variable.

gnu: Add texlive-yaletter.

* gnu/packages/tex.scm (texlive-yaletter): New variable.

gnu: Add texlive-yagusylo.

* gnu/packages/tex.scm (texlive-yagusylo): New variable.

gnu: Add texlive-yafoot.

* gnu/packages/tex.scm (texlive-yafoot): New variable.

gnu: Add texlive-xytree.

* gnu/packages/tex.scm (texlive-xytree): New variable.