Charter Communications has decided skinny bundles may not be so bad after all. The company is testing the waters with a sports-free streaming pay TV package, going for $20 per month. The service, called Spectrum Stream, offers over 25 linear TV channels and doesn’t require a set-top box nor a truck roll for installation. It’s being delivered to Charter’s Internet customers via Android and iOS mobile devices, Amazon Fire TV, Roku, Xbox and Samsung smart TVs. The idea of a sports-free skinny bundle goes against conventional wisdom that consumers need sports content to be satisfied with a pay TV package. Reports surfaced earlier this year indicating AMC and Viacom were both interested in participating in a sports-free Internet TV package.…