Removing unused package python-ryu

After performing an analysis of the system it was recognized
that the following package: python-ryu; is not being used anymore
by the system. In order to clean it up, it was decided to
remove the package.

Test Plan:
PASS - All pkgs built successfully after removal of python-ryu
PASS - Successfully generated an openstack tarball
PASS - Stx-Openstack tarball successfully applied
PASS - Built CentOS ISO with the change and applied it to a lab

Partial-bug: #1985091
Depends-On: https://review.opendev.org/c/starlingx/integ/+/852863

Signed-off-by: Rafael Cardoso Pereira <rafael.cardosopereira@windriver.com>
Change-Id: I27d119c11d18c1ebbd0beafe154a32960c101529

bsp-files/filter_out_from_prestaging

@@ -464,7 +464,6 @@ python2-pankoclient
 python2-pecan
 python2-rsa
 python2-ruamel-yaml
-python2-ryu
 python2-setuptools
 python2-six
 python2-uwiftclient
@@ -535,7 +534,6 @@ python-pycurl
 python-pytz
 python-pyudev
 python-pyudev
-python-ryu-common
 python-slip
 python-slip-dbus
 python-swiftclient

bsp-files/filter_out_from_storage

@@ -313,8 +313,6 @@ python-networking-bgpvpn-dashboard
 python-networking-bgpvpn-heat
 python2-neutron-dynamic-routing
 python2-ruamel-yaml
-python2-ryu
-python-ryu-common
 python2-networking-sfc
 openvswitch
 openvswitch-config

bsp-files/filter_out_from_worker

@@ -278,8 +278,6 @@ python-networking-bgpvpn-dashboard
 python-networking-bgpvpn-heat
 python2-neutron-dynamic-routing
 python2-ruamel-yaml
-python2-ryu
-python-ryu-common
 platform-kickstarts
 python-3parclient
 python-lefthandclient

bsp-files/filter_out_from_worker_lowlatency

@@ -279,8 +279,6 @@ python-networking-bgpvpn-dashboard
 python-networking-bgpvpn-heat
 python2-neutron-dynamic-routing
 python2-ruamel-yaml
-python2-ryu
-python-ryu-common
 platform-kickstarts
 python-3parclient
 python-lefthandclient