Remove the IMAP caching proxy.

Dovecot imapc requires two authentication rounds to the IMAP backend for
each connection.  It seems suboptimal that Roundcube keeps connecting to
the IMAP server for each new connection, but benchmarks shows little
advantage in caching the IMAP sessions with imapproxy:

  http://www.dovecot.org/list/dovecot/2012-February/133544.html

2 files changed, 0 insertions, 34 deletions

diff --git a/roles/IMAP-proxy/templates/etc/dovecot/conf.d/20-imapc.conf.j2 b/roles/IMAP-proxy/templates/etc/dovecot/conf.d/20-imapc.conf.j2
deleted file mode 100644
index 6284f67..0000000
--- a/roles/IMAP-proxy/templates/etc/dovecot/conf.d/20-imapc.conf.j2
+++ /dev/null
@@ -1,17 +0,0 @@
-# Smart IMAP proxying with imapc storage
-#
-# http://dovecot.org/pipermail/dovecot/2011-January/056975.html
-# http://wiki2.dovecot.org/HowTo/ImapcProxy
-# http://wiki2.dovecot.org/MailboxFormat/imapc
-# http://wiki2.dovecot.org/Migration/Dsync
-
-imapc_host = {{ ipsec[imapsvr.inventory_hostname_short] }}
-imapc_port = 143
-
-# Read multiple mails in parallel, improves performance
-mail_prefetch_count = 25
-
-# The list of valid features can be found at
-#   https://github.com/dovecot/core/blob/master/src/lib-storage/index/imapc/imapc-settings.c
-# (in the struct 'imapc_feature_list imapc_feature_list')
-imapc_features = rfc822.size fetch-headers search
diff --git a/roles/IMAP-proxy/templates/etc/dovecot/conf.d/auth-imap.conf.ext.j2 b/roles/IMAP-proxy/templates/etc/dovecot/conf.d/auth-imap.conf.ext.j2
deleted file mode 100644
index 30b8d7f..0000000
--- a/roles/IMAP-proxy/templates/etc/dovecot/conf.d/auth-imap.conf.ext.j2
+++ /dev/null
@@ -1,17 +0,0 @@
-# Authentication via remote IMAP server. Included from auth.conf.
-#
-# <doc/wiki/PasswordDatabase.IMAP.txt>
-
-passdb {
-  driver         = imap
-  args           = host={{ ipsec[imapsvr.inventory_hostname_short] }} port=143
-  default_fields = userdb_imapc_password=%w
-}
-
-# "prefetch" user database means that the passdb already provided the
-# needed information and there's no need to do a separate userdb lookup.
-# <doc/wiki/UserDatabase.Prefetch.txt>
-userdb {
-  driver         = prefetch
-  default_fields = home=/var/lib/imapproxy/%d/%n
-}