gnu: qemu-minimal: Don't include libcacard as an input.

This probably isn't useful for QEMU without GUI support.

* gnu/package/virtualization.scm (qemu-minimal)[inputs]: Don't include
libcacard.

gnu/packages/virtualization.scm

@@ -289,7 +289,8 @@ (define-public qemu-minimal
                   '("gettext")))
     (inputs (fold alist-delete (package-inputs qemu)
                   '("libusb" "mesa" "sdl2" "spice" "virglrenderer" "gtk+"
-                    "usbredir" "libdrm" "libepoxy" "pulseaudio" "vde2")))))
+                    "usbredir" "libdrm" "libepoxy" "pulseaudio" "vde2"
+                    "libcacard")))))
 
 (define-public libosinfo
   (package