Decoder: unnest all structs in `ZydisDecodedInstruction`
Decoder: unnest all structs in `ZydisDecodedInstruction`

Nested structs make the documentation very hard to navigate because they
are displayed in `A::B::C` fashion which -- given our long struct names
-- quickly escalates into unreadability.

zyantific/zydis,zyantific/zydis