[yaspgrid] use constexpr tables for `BinomialTable`, `EntityShiftTable`

Ansgar Burchardtrequested to merge
feature/yaspgrid-constexpr-tables into master

This means the tables are computed at compile time and there is no need to call an init() function.

With dune-python, one can currently end up with two lookup tables (staging/dune-python#23). This works around the problem as now both tables contain the correct values, instead of only the one init() was called for.

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