Splitting headers in order to have single modules functions

[Rinnegatamante]

This is something required for properly implementing #124 .

At the moment we have some headers that actually contain functions from several modules like:

psp2/videodec.h having sceAvcdec and sceVideodec functions.
psp2/net/http.h having sceHttp and sceHttps functions.

Actually splitting headers shouldn't bother too much since the suggested way to use headers is actually to just include vitasdk.h without cherry picking headers.

[devnoname120]

Actually splitting headers shouldn't bother too much since the suggested way to use headers is actually to just include vitasdk.h

Most people are not doing that, and we can't afford to break them.

[Rinnegatamante]

That means we can't actually ship decent and accurated documentation due to some people preferring to make their life harder.

P.s. I don't see "most" people using these headers btw.
Majority of homebrews cherry picking headers are very old homebrews.
Also replacing such headers with vitasdk.h is an easy enough change even for a non developer.

[devnoname120]

The drawbacks largely overwhelm the small benefit such a change would bring. We now avoid any kind of breaking changes unless it is absolutely necessary.

[yne]

Fun fact, there is only 1 usage of the HTTPS Vita API on github:
https://github.com/Stary2001/vita-lua/blob/1a179629a9068f98154edbce87aef7b0537e826d/src/ffi/http.c

Issues like this should be resolved in a democratic way (it should be less frustrating for both sides).

Personally, I vote to split, because I'm the one that made a mistake back in the psp2sdk days (173210/psp2sdk@e72bf40) and I don't like doing mistakes.

[devnoname120]

@CelesteBlue-dev Please abstain from calling people names, especially for no good reason.