openvswitch/ovs.go: Simplify return in Installed method
openvswitch/ovs.go: Simplify return in Installed method

Signed-off-by: Tim Rots <303d85e35fdeaa7baaeca9350aad42402c9e3308@protonmail.ch>

hallyn/lxd,lxc/lxd,atxwebs/lxd,lxc/lxd,atxwebs/lxd,stgraber/lxd,hallyn/lxd,atxwebs/lxd,stgraber/lxd,lxc/lxd,stgraber/lxd,lxc/lxd,lxc/lxd,stgraber/lxd,hallyn/lxd,hallyn/lxd,hallyn/lxd,lxc/lxd,atxwebs/lxd,stgraber/lxd,stgraber/lxd,lxc/lxd,hallyn/lxd,stgraber/lxd