Revert "gnu: Add go-github-com-arbovm-levenshtein."

The variable is a duplicated and available in (gnu packages golang-xyz).

This reverts commit 634d534a46.

Change-Id: I205a2fa4fccbb00e77525af14ee3ee3e08e9530c

gnu/packages/golang-xyz.scm

@@ -17761,30 +17761,6 @@ contain equivalent code.")
 converting them to the often much more useful @@code{time.Duration}.")
     (license license:expat)))
 
-(define-public go-github-com-arbovm-levenshtein
-  (package
-    (name "go-github-com-arbovm-levenshtein")
-    (version "0.0.0-20160628152529-48b4e1c0c4d0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/arbovm/levenshtein")
-             (commit (go-version->git-ref version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32 "0nmx2iip8xpnbmy6gvqpc9ikizr33dr40xgv746h0b0by8n7rv7y"))))
-    (build-system go-build-system)
-    (arguments
-     (list
-      #:import-path "github.com/arbovm/levenshtein"))
-    (home-page "https://github.com/arbovm/levenshtein")
-    (synopsis "Levenshtein Distance")
-    (description
-     "This package provides a way to calculate the
-@url{http://en.wikipedia.org/wiki/Levenshtein_distance,Levenshtein Distance}.")
-    (license license:bsd-3)))
-
 (define-public go-github-com-dgryski-trifles
   (package
     (name "go-github-com-dgryski-trifles")