doc: remove references to old servers

They'll continue to be maintained, but we're no longer advertising
them.  Also, favor lowercase "unicorn" while we're at it since that
matches the executable and gem name to avoid unnecessary escaping
for RDoc.

1 files changed, 0 insertions, 6 deletions

diff --git a/PHILOSOPHY b/PHILOSOPHY
index 18b2d82..feb83d9 100644
--- a/PHILOSOPHY
+++ b/PHILOSOPHY
@@ -137,9 +137,3 @@ unicorn is highly inefficient for Comet/reverse-HTTP/push applications
 where the HTTP connection spends a large amount of time idle.
 Nevertheless, the ease of troubleshooting, debugging, and management of
 unicorn may still outweigh the drawbacks for these applications.
-
-The {Rainbows!}[http://rainbows.bogomips.org/] aims to fill the gap for
-odd corner cases where the nginx + unicorn combination is not enough.
-While Rainbows! management/administration is largely identical to
-unicorn, Rainbows! is far more ambitious and has seen little real-world
-usage.