[examples][biomin] remove constexpr where necessary
The Biomin example wasn't compiling with clang. (rebased on 3.2 or on master) This removes the constexpr tags that caused the error.
needs to be added to the backport in !2062 (merged).
The Biomin example wasn't compiling with clang. (rebased on 3.2 or on master) This removes the constexpr tags that caused the error.
needs to be added to the backport in !2062 (merged).