flagprocessors: make `processflagsraw` a module level function
One more steps toward removing the mixin.
Differential Revision: https://phab.mercurial-scm.org/D6820
flagprocessors: make `processflagsread` a module level function
One more steps toward removing the mixin.
Differential Revision: https://phab.mercurial-scm.org/D6819
flagprocessors: make `processflagswrite` a module level function
One more step towards removing the mixin.
Differential Revision: https://phab.mercurial-scm.org/D6818