style(font family): add times instead of fira

[shreya99oak]

fixes #5742
This fixes a part of #5742 which is adding Times as the font family for IOS users.
@shane-tomlinson @lmorchard Pls. review.

[shreya99oak]

Is there any particular reason to use times instead of fira? Cause fira was asked to be created by Mozilla

[shane-tomlinson]

Thanks @shreya99oak, the problem that @ryanfeeley wants fixed is that Time is unexpectedly used on iOS instead of Fira. We'd expect Fira to be used instead of times.

[shreya99oak]

Thanks @shreya99oak, the problem that @ryanfeeley wants fixed is that Time is unexpectedly used on iOS instead of Fira. We'd expect Fira to be used instead of times.
Oh okay sorry I misinterpreted it

[shane-tomlinson]

This repo has been deprecated and migrated to https://github.com/mozill/fxa. Please open this PR against that repo.