- stop use of `flutter_secure_storage` for Linux in favor of unencrypted
storage
Unlike many other platforms, many Linux distributions have built-in
support for FDE or home directory encryption. As long as
`flutter_secure_storage` makes FluffyChat useles on many Linuxes, this
seems to be the only solution until they stop using Seahorse.
Signed-off-by: TheOneWithTheBraid <the-one@with-the-braid.cf>