[FIX] l10n_nl: avoid using abs in tax report
[FIX] l10n_nl: avoid using abs in tax report

Before, we had abs() in the report, but we saw it was wrong:
https://github.com/odoo/enterprise/commit/5e7d91d5ea5356fa3c38b6676b68403a713da5be#commitcomment-33050133

Somehow they remained in saas-12.3 and with this we remove them as well.

Thanks to Martijn Kluijtmans
opw-2186942

closes odoo/odoo#44768

X-original-commit: 4a1efb07646a1920201e7e4d2d13241977c1d2a7
Signed-off-by: oco-odoo <15533318955789ab09e4c2224ebf367eff32f177@users.noreply.github.com>

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