Dropping requires -utils -> -containerss

The only reason is that /usr/bin/oscap-docker file has been previously
released (for 2 months) in openscap-utils package. On the other hand
architecture of oscap-docker changed and now requires atomic to run.

openscap.spec

@@ -105,7 +105,6 @@ Group:          Applications/System
 Requires:       %{name}%{?_isa} = %{version}-%{release}
 Requires:       rpmdevtools rpm-build
 Requires:       %{name}-scanner%{?_isa} = %{version}-%{release}
-Requires:       %{name}-containers = %{version}-%{release}
 
 %description    utils
 The %{name}-utils package contains command-line tools build on top