index: remove unused method fresh_thread_id

diff --git a/lib/sup/index.rb b/lib/sup/index.rb
index f258d81d3ecc857d2ea67b9f7a0ba70b584cf993..a21e2a0b2f4c5a69b4572004a2453929e43bfbd4 100644 (file)
--- a/lib/sup/index.rb
+++ b/lib/sup/index.rb
@@ -382,7 +382,6 @@ EOS
     end
   end
 
-  def fresh_thread_id; @next_thread_id += 1; end
   def wrap_subj subj; "__START_SUBJECT__ #{subj} __END_SUBJECT__"; end
   def unwrap_subj subj; subj =~ /__START_SUBJECT__ (.*?) __END_SUBJECT__/ && $1; end