gnu: texlive-chemarrow: Remove duplicate package.

* gnu/packages/tex.scm (texlive-chemarrow): Remove duplicate package.

gnu/packages/tex.scm

@@ -2337,6 +2337,7 @@ (define-public texlive-chemformula
 reactions in support of other chemistry packages (such as
 @code{chemmacros}).")
     (license license:lppl1.3c)))
+
 (define-public texlive-chemgreek
   (package
     (name "texlive-chemgreek")
@@ -2356,34 +2357,6 @@ (define-public texlive-chemgreek
 packages (such as @code{chemmacros}).")
     (license license:lppl1.3+)))
 
-(define-public texlive-chemarrow
-  (package
-    (name "texlive-chemarrow")
-    (version (number->string %texlive-revision))
-    (source (texlive-origin
-             name version
-             (list "doc/fonts/chemarrow/"
-                   "fonts/afm/public/chemarrow/"
-                   "fonts/map/dvips/chemarrow/"
-                   "fonts/source/public/chemarrow/"
-                   "fonts/tfm/public/chemarrow/"
-                   "fonts/type1/public/chemarrow/"
-                   "source/fonts/chemarrow/"
-                   "tex/latex/chemarrow/")
-             (base32
-              "1ky0v2psxamzilmijih88zxanmq2hnpv1yc18mcy9mpymcmvrhwr")))
-    (outputs '("out" "doc"))
-    (build-system texlive-build-system)
-    (native-inputs (list texlive-metafont))
-    (home-page "https://ctan.org/pkg/chemarrow")
-    (synopsis "Arrows for use in chemistry")
-    (description
-     "This bundle consists of a font (available as Metafont source, MetaPost
-source, and generated type 1 versions), and a package to use it.  The arrows
-in the font are designed to look more like those in chemistry text-books than
-do Knuth's originals.")
-    (license license:public-domain)))
-
 (define-public texlive-chemmacros
   (package
     (name "texlive-chemmacros")