What
Move the iOS feedhenry mobile-security documentation to AeroGear docs
Retire the feedhenry docs
Verify that code suggestions are now updated to reference SDK use rather than in app code.

Why
The mobile-security template features have now been moved to AeroGear ShowCae apps

@finp can you give any guidance in terms of where this documentation should land. There's quite a bit of content in there. Some general for multiple platforms and some specific to particular platforms.