Remove the now-unreachable profile-fetch and Asan inline-auth machinery
(checkAuthAndFetchProfile, showProfileDialog, startInlineAuthentication,
poll/complete/select cert, profile parsing/formatting helpers and the
dictionary cache) left orphaned after the E-Taxes buttons were removed.
Keeps gambling-activity handling, declaration defaults and tax wizards.
1797 -> 313 lines.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>