Remove deprecated python-readline from the RDEPENDS

The python-readline package was merged into core as part of the
json manifest migration

Signed-off-by: Derek Straka <derek@asterius.io>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-python/recipes-connectivity/gateone/gateone_git.bb

@@ -69,7 +69,6 @@ RDEPENDS_${PN} = "mime-support \
                   python-pkgutil \
                   python-pyopenssl \
                   python-re \
-                  python-readline \
                   python-setuptools \
                   python-shell \
                   python-simplejson \