gnu: qemu-minimal: Remove doc output.

"Doc" output is empty.

* gnu/packages/virtualization.scm (qemu-minimal)[outputs]: Delete ’doc.
[arguments]: Delete inherited 'move-html-doc phase.

Co-authored-by: Nguyễn Gia Phong <cnx@loang.net>
Change-Id: Id84e491a1981a362f375dcba6296726f3a9adbef
Signed-off-by: Efraim Flashner <efraim@flashner.co.il>

gnu/packages/virtualization.scm

@@ -634,7 +634,7 @@ server and embedded PowerPC, and S390 guests.")
   ;; QEMU without GUI support, only supporting the host's architecture
   (package/inherit qemu
     (name "qemu-minimal")
-    (outputs '("out" "doc"))
+    (outputs '("out"))
     (synopsis
      "Machine emulator and virtualizer (without GUI or docs) for the host architecture")
     (arguments
@@ -676,10 +676,7 @@ server and embedded PowerPC, and S390 guests.")
             (delete 'configure-user-static)
             (delete 'build-user-static)
             (delete 'install-user-static)
-            ;; We cannot fully remove the "doc" output due to the gexp in qemu.
-            (replace 'move-html-doc
-              (lambda _
-                (mkdir-p #$output:doc)))))))
+            (delete 'move-html-doc)))))
 
     ;; Remove dependencies on optional libraries, notably GUI libraries.
     (native-inputs (filter (lambda (input)