profiles/arch/arm: shift dev-python/ipython[nbconvert] mask to stable

Bug: https://bugs.gentoo.org/481462
Signed-off-by: Sam James <sam@gentoo.org>

profiles/arch/arm/package.use.mask

@@ -387,10 +387,6 @@ net-im/telepathy-connection-managers sipe
 # Missing keywords, bug #478254
 gnome-base/gnome classic extras
 
-# Markus Meier <maekke@gentoo.org> (2013-09-15)
-# Unkeyworded deps, bug #481462
-dev-python/ipython nbconvert
-
 # Sergey Popov <pinkbyte@gentoo.org> (2013-09-06)
 # sci-libs/hdf does not build properly on arm
 dev-perl/PDL hdf

profiles/arch/arm/package.use.stable.mask

@@ -1,6 +1,10 @@
 # Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# Sam James <sam@gentoo.org> (2022-01-15)
+# dev-python/nbconvert not yet marked stable on arm
+dev-python/ipython nbconvert
+
 # Sam James <sam@gentoo.org> (2022-01-15)
 # dev-libs/criterion is not marked stable yet
 app-admin/syslog-ng test