Removed unused signin.html
Removed unused signin.html

gae-init/gae-init-babel,mdxs/gae-init-babel,gae-init/gae-init-babel,lipis/life-line,lipis/life-line,mdxs/gae-init-babel,gae-init/gae-init-babel,lipis/life-line,mdxs/gae-init-babel,gae-init/gae-init-babel