Remove outdated Lineman route stubs.

These were originaly in place to devlop the notification piece and the
api as since drifted. Removing them so using the lineman server piece no
longer breaks notifications.
haskell say
haskell secret-handshake
haskell series
haskell sieve
haskell simple-cipher
haskell strain
haskell sum-of-multiples
intercalate " " -> unwords