v0.44.4

AbstractAlgebra v0.44.4

Diff since v0.44.3

Merged pull requests:

• Use is_trivial when possible (#1965) (@fingolfin)
• Remove ignore_kwargs; instead always ignore all kwargs in @attr (#1966) (@lgoettgens)
• fix: argument check for remove of MPoly (#1967) (@thofma)
• Bump version to 0.44.4 (#1968) (@lgoettgens)