don't log to syslog when testing

doc/INSTALL.md

@@ -23,8 +23,6 @@ Makefile.
 
 * [libcap](http://packages.debian.org/source/unstable/libcap-dev), in package `libcap-dev`. You can compile with or without it using USELIBCAP in the Makefile
 
-* [libev](http://software.schmorp.de/pkg/libev.html), in package `libev-dev`. It is only required to build `sslh-ev`, so you don't need if you only build `sslh-fork` and/or `sslh-select`.
-
 * libbsd, to enable to change the process name (as shown in
   `ps`, so each forked process shows what protocol and what
   connection it is serving),
@@ -73,8 +71,8 @@ of the Makefile:
 Binaries
 --------
 
-The Makefile produces three different executables: `sslh-fork`,
-`sslh-select` and `sslh-ev`:
+The Makefile produces two different executables: `sslh-fork`
+and `sslh-select`:
 
 * `sslh-fork` forks a new process for each incoming connection.
 It is well-tested and very reliable, but incurs the overhead
@@ -91,10 +89,10 @@ If you are going to use `sslh` on a "medium" setup (a few thousand ssh
 connections, and another few thousand ssl connections),
 `sslh-select` will be better.
 
-* `sslh-ev` works very much like `sslh-select`, but uses
-  `libev` as a backend. `libev` provides more portability
-and alternative ways to support very large numbers of
-connections.
+If you have a very large site (tens of thousands of connections),
+you'll need a vapourware version that would use libevent or
+something like that.
+
 
 Installation
 ------------