Patch to run from binaries in /usr/bin.

Index: guix-debian/etc/guix-daemon.service.in
===================================================================
--- guix-debian.orig/etc/guix-daemon.service.in
+++ guix-debian/etc/guix-daemon.service.in
@@ -9,7 +9,7 @@ Description=Build daemon for GNU Guix
 Before=gnu-store.mount
 
 [Service]
-ExecStart=@localstatedir@/guix/profiles/per-user/root/current-guix/bin/guix-daemon \
+ExecStart=/usr/bin/guix-daemon \
     --discover=no \
     --substitute-urls='@GUIX_SUBSTITUTE_URLS@'
 Environment='GUIX_STATE_DIRECTORY=@localstatedir@/guix' 'GUIX_LOCPATH=@localstatedir@/guix/profiles/per-user/root/guix-profile/lib/locale' LC_ALL=en_US.utf8
Index: guix-debian/etc/guix-publish.service.in
===================================================================
--- guix-debian.orig/etc/guix-publish.service.in
+++ guix-debian/etc/guix-publish.service.in
@@ -9,7 +9,7 @@ PartOf=guix-daemon.service
 After=guix-daemon.service
 
 [Service]
-ExecStart=@localstatedir@/guix/profiles/per-user/root/current-guix/bin/guix publish --user=nobody --port=8181
+ExecStart=/usr/bin/guix publish --user=nobody --port=8181
 Environment='GUIX_LOCPATH=@localstatedir@/guix/profiles/per-user/root/guix-profile/lib/locale' LC_ALL=en_US.utf8
 StandardOutput=journal
 StandardError=journal
