gnu: go-github-com-mitchellh-mapstructure: Move to golang-xyz.

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

Change-Id: I33ff5f856b6473363a1fcf9701583ce2176e5964

gnu/packages/golang-xyz.scm

@@ -5645,6 +5645,30 @@ colored strings.")
      "Colorstring provides functions for colorizing strings for terminal output.")
     (license license:expat)))
 
+;; XXX: This package is in maintenance mode: "This repository has been
+;; archived by the owner on Jul 22, 2024. It is now read-only."
+(define-public go-github-com-mitchellh-mapstructure
+  (package
+    (name "go-github-com-mitchellh-mapstructure")
+    (version "1.5.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/mitchellh/mapstructure")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "10f2v143lkip8h46shd99k5yavfqpgqmd7a6y42v7szc0lcn3mff"))))
+    (build-system go-build-system)
+    (arguments
+     `(#:import-path "github.com/mitchellh/mapstructure"))
+    (home-page "https://github.com/mitchellh/mapstructure")
+    (synopsis "Go library for decoding generic map values")
+    (description "Go library for decoding generic map values")
+    (license license:expat)))
+
 (define-public go-github-com-modern-go-concurrent
   (package
     (name "go-github-com-modern-go-concurrent")

gnu/packages/golang.scm

@@ -4104,28 +4104,6 @@ the current user without cgo.  This library does that, enabling
 cross-compilation.")
       (license license:expat))))
 
-(define-public go-github-com-mitchellh-mapstructure
-  (package
-    (name "go-github-com-mitchellh-mapstructure")
-    (version "1.5.0")
-    (source
-     (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://github.com/mitchellh/mapstructure")
-             (commit (string-append "v" version))))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32
-         "10f2v143lkip8h46shd99k5yavfqpgqmd7a6y42v7szc0lcn3mff"))))
-    (build-system go-build-system)
-    (arguments
-     `(#:import-path "github.com/mitchellh/mapstructure"))
-    (home-page "https://github.com/mitchellh/mapstructure")
-    (synopsis "Go library for decoding generic map values")
-    (description "Go library for decoding generic map values")
-    (license license:expat)))
-
 (define-public go-github-com-mitchellh-reflectwalk
   (package
     (name "go-github-com-mitchellh-reflectwalk")