index.rst: Remove bb-chapuni from list of IRC bots

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@354353 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/index.rst b/docs/index.rst
index a424f8e..44f14a3 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -553,7 +553,6 @@
 
   * llvmbb - Bot for the main LLVM buildbot master.
     http://lab.llvm.org:8011/console
-  * bb-chapuni - An individually run buildbot master. http://bb.pgr.jp/console
   * smooshlab - Apple's internal buildbot master.
 
 * robot - Bugzilla linker. %bug <number>