this and a few other ebuilds still point to the dead google repository. see: /usr/portage/app-i18n$ grep -R google fcitx*/*.ebuild
All known problems will be fixed in newest ebuilds. No need to file bugs about old ebuilds...
Old versions were deleted in: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=6635ba1924005ba2e0bb614a537d84e8fa74a51b