Don't use Flint* globals

[lgoettgens]

See oscar-system/Oscar.jl#1379 (comment)

ping @fieker

[codecov]

Codecov Report

Attention: Patch coverage is 75.77465% with 258 lines in your changes missing coverage. Please review.

Project coverage is 75.98%. Comparing base (39fc9cb) to head (77fcb3a).

Files with missing lines	Patch %	Lines
src/NumField/NfAbs/NormRelation/Setup.jl	19.23%	21 Missing ⚠️
src/AlgAssAbsOrd/PIP/bley_hofmann_johnston.jl	0.00%	11 Missing ⚠️
src/EllCrv/Misc.jl	10.00%	9 Missing ⚠️
src/Misc/nmod_poly.jl	57.14%	9 Missing ⚠️
src/NumFieldOrd/NfOrd/LinearAlgebra.jl	18.18%	9 Missing ⚠️
src/AlgAssAbsOrd/Order.jl	60.00%	8 Missing ⚠️
src/EllCrv/LocalData.jl	88.33%	7 Missing ⚠️
src/Misc/RatRecon.jl	0.00%	7 Missing ⚠️
ext/PolymakeExt.jl	33.33%	6 Missing ⚠️
src/AlgAssAbsOrd/PIP/maximal.jl	40.00%	6 Missing ⚠️
... and 83 more

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1674   +/-   ##
=======================================
  Coverage   75.97%   75.98%           
=======================================
  Files         361      361           
  Lines      113876   113877    +1     
=======================================
+ Hits        86518    86529   +11     
+ Misses      27358    27348   -10     

Files with missing lines	Coverage Δ
ext/GAPExt/abelian_layer.jl	91.22% <100.00%> (ø)
ext/GAPExt/brauer.jl	74.41% <100.00%> (ø)
src/AlgAss/AbsAlgAss.jl	90.16% <100.00%> (ø)
src/AlgAss/AlgQuat.jl	90.71% <100.00%> (ø)
src/AlgAss/ChangeRing.jl	94.06% <ø> (ø)
src/AlgAss/Conversions.jl	82.03% <100.00%> (ø)
src/AlgAss/Elem.jl	88.17% <100.00%> (ø)
src/AlgAss/StructureConstantAlgebra.jl	93.63% <100.00%> (ø)
src/AlgAss/radical.jl	94.78% <100.00%> (ø)
src/AlgAssAbsOrd/LocallyFreeClassGroup.jl	92.47% <100.00%> (ø)
... and 160 more

... and 10 files with indirect coverage changes