This change removes an obsolete Canadian HST 14% tax template that has not applied since the rate changed to 15% in 2016. It helps keep Canadian localization tax setup aligned with current official GST/HST rates and avoids outdated tax options in configurations.

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




--
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

This update refines how translated text is handled across several Odoo areas, reducing unnecessary translation entries and making messages more natural in context. Users benefit from clearer wording in their language, while translation maintenance becomes simpler and more accurate.

* Avoid translating multiple strings when not needed
* Insert values directly into the translated string, without string concatenation


--
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr