[10.0][MIG][FIX][REF] PEP8 and removed unused code.
[10.0][MIG][FIX][REF] PEP8 and removed unused code.

akretion/l10n-brazil,OCA/l10n-brazil,akretion/l10n-brazil,OCA/l10n-brazil,OCA/l10n-brazil,akretion/l10n-brazil