gnu: go-github-com-dlclark-regexp2: Move to golang-xyz.

* gnu/packages/golang.scm (go-github-com-dlclark-regexp2): Move from
here ...
* gnu/packages/golang-xyz.scm: ... to here.

Change-Id: I0e355d6d21c604d89c623eaf9c5276c61b40d4c6

gnu/packages/golang-xyz.scm

@@ -1240,6 +1240,29 @@ atimes for files.")
 mtime,ctime and btime for files.")
     (license license:expat)))
 
+(define-public go-github-com-dlclark-regexp2
+  (package
+    (name "go-github-com-dlclark-regexp2")
+    (version "1.4.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/dlclark/regexp2")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1irfv89b7lfkn7k3zgx610ssil6k61qs1wjj31kvqpxb3pdx4kry"))))
+    (build-system go-build-system)
+    (arguments
+     (list
+      #:import-path "github.com/dlclark/regexp2"))
+    (home-page "https://github.com/dlclark/regexp2/")
+    (synopsis "Full featured regular expressions for Go")
+    (description
+     "Regexp2 is a feature-rich RegExp engine for Go.")
+    (license license:expat)))
+
 (define-public go-github-com-docopt-docopt-go
   (let ((commit "ee0de3bc6815ee19d4a46c7eb90f829db0e014b1")
         (revision "0"))

gnu/packages/golang.scm

@@ -6820,27 +6820,6 @@ matching and globbing with support for \"doublestar\" patterns.")
      (list
       #:import-path "github.com/bmatcuk/doublestar/v4"))))
 
-(define-public go-github-com-dlclark-regexp2
-  (package
-    (name "go-github-com-dlclark-regexp2")
-    (version "1.4.0")
-    (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/dlclark/regexp2")
-                    (commit (string-append "v" version))))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32
-                "1irfv89b7lfkn7k3zgx610ssil6k61qs1wjj31kvqpxb3pdx4kry"))))
-    (build-system go-build-system)
-    (arguments
-     `(#:import-path "github.com/dlclark/regexp2"))
-    (home-page "https://github.com/dlclark/regexp2/")
-    (synopsis "Full featured regular expressions for Go")
-    (description "Regexp2 is a feature-rich RegExp engine for Go.")
-    (license license:expat)))
-
 (define-public go-github-com-alecthomas-colour
   (package
     (name "go-github-com-alecthomas-colour")