gnu: Remove ganv-devel.

* gnu/packages/gtk.scm (ganv-devel): Remove variable.
* gnu/packages/music.scm (ingen)[inputs]: Change from GANV-DEVEL to GANV.

gnu/packages/gtk.scm

@@ -353,24 +353,6 @@ (define-public ganv
 diagrams.")
     (license license:gpl3+)))
 
-(define-public ganv-devel
-  (let ((commit "12f7d6b0438c94dd87f773a92eee3453d971846e")
-        (revision "1"))
-    (package
-      (inherit ganv)
-      (name "ganv")
-      (version (string-append "1.5.4-" revision "."
-                              (string-take commit 9)))
-      (source (origin
-                (method git-fetch)
-                (uri (git-reference
-                      (url "https://git.drobilla.net/ganv.git")
-                      (commit commit)))
-                (file-name (git-file-name name version))
-                (sha256
-                 (base32
-                  "1cr8w02lr6bk9mkxa12j3imq721b2an2yn4bj5wnwmpm91ddn2gi")))))))
-
 (define-public gtksourceview-2
   (package
     (name "gtksourceview")

gnu/packages/music.scm

@@ -3691,7 +3691,7 @@ (define-public ingen
          ("lv2" ,lv2)
          ("lilv" ,lilv)
          ("raul" ,raul-devel)
-         ("ganv" ,ganv-devel)
+         ("ganv" ,ganv)
          ("suil" ,suil)
          ("serd" ,serd)
          ("sord" ,sord)