wireprotoserver: remove redirect() and restore() (API)
These methods on the protocol handler interface are no longer used in
core.
.. api::
redirect() and restore() have been removed from the wire protocol
handler interface. Use mayberedirectstdio() instead.
Differential Revision: https://phab.mercurial-scm.org/D2083
ERROR: FIXME: This is a known failure of filelog.size for data starting with \1\n
OK.