Remove translation keys related to contact form feature

[luixxiul]

• This is not a feature request (existing functionality does not work, not missing functionality).
  I will request features on forum or via support.
• I've searched and did not find a similar issue.

Bug in web app

Describe the bug
To improve translation UX, please remove translation keys related to contact form feature.

tutanota/src/common/misc/TranslationKey.ts

Lines 266 to 274 in 037d663

	| "contactFormLegacy_msg"
	| "contactFormMailAddressInfo_msg"
	| "contactFormPasswordNotSecure_msg"
	| "contactFormPlaceholder_label"
	| "contactFormSubmitConfirm_action"
	| "contactFormSubmitConfirm_msg"
	| "contactFormSubmitError_msg"
	| "contactForms_label"
	| "contactForm_label"

To Reproduce: irrelevant

Expected behavior: these should have been removed.

Screenshots

Desktop (please complete the following information): irrelevant

Smartphone (please complete the following information): irrelevant

Additional context