TV articles change

- Removed obsolete article about TV Emulator (new one is published already),
- Extended article with info about supported adaptive bitrate streaming and drm formats in the TV Store,
DRM's purpose is not content protection (e.g. https://www.techdirt.com/articles/20130325/11132122455/true-purpose-drm-to-let-copyright-holders-have-veto-right-new-technologies.shtml), so let's not write that.

I suggest to make the language more neutral. DRM is something we unfortunately have to deal with from a site compatibility perspective, but I wouldn't just repeat the content industry's justifications for it.

I'd rewrite this section as follows:

When dealing with premium multimedia content, you'll encounter technologies like adaptive bitrate streaming (ABR), which allows for smooth video playback by dynamically adjusting the bitrate, and digital rights management (DRM).