Replace __INLINED with a CompiledIfInliner then remove it

[FlorianDeconinck]

The keyword __INLINED is deprecated but we have no replacement for it. A pass like the CompiledIfInliner should replace this very technical keyword which should not be left to user to use.

References: GridTools/gt4py#1012, GridTools/gt4py#1068

Parent: GEOS-ESM/SMT-Nebulae#89

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• Make compile-time capable condition be inlined at compile-time
• Hard removal of __INLINED with error message describing how to transfer to new system if useful