When detection is in dynamic plugin, the detection tables are included
twice. Once in the detection plugin and once in the engine for the game
scanner code.
We disable the feature in this case to prevent duplication as this
feature is only used in specific cases.
This not only simplifies all the use of _t types to the
ScummVM equivalents, it gets rid of the int32 usage in
favor of just int, solving common type clashes with the
Amiga, for which int doesn't match int32