Attempt to improve coverage of pxd

Author: GiacomoPope

src/flint/types/fmpz.pxd

@@ -1,7 +1,6 @@
 from cpython.long cimport PyLong_Check
 from flint.flint_base.flint_base cimport flint_scalar
 from flint.utils.conversion cimport chars_from_str
-
 from flint.flintlib.flint cimport slong, pylong_as_slong
 from flint.flintlib.flint cimport PyObject
 from flint.flintlib.fmpz cimport fmpz_t, fmpz_set_str, fmpz_set_si

src/flint/types/fq_default.pxd

@@ -1,7 +1,4 @@
 from flint.flintlib.fq_default cimport *
-from flint.flintlib.fq_zech cimport fq_zech_is_primitive, fq_zech_multiplicative_order
-from flint.flintlib.fq_nmod cimport fq_nmod_is_primitive, fq_nmod_multiplicative_order
-from flint.flintlib.fq cimport fq_is_primitive, fq_multiplicative_order
 from flint.types.fmpz cimport fmpz
 from flint.flint_base.flint_base cimport flint_scalar