Remove a debug tee(1) and split sidebar ls pipeline in three lines to make it more readable.

bin/werc.rc

@@ -35,7 +35,9 @@ fn hide_paths {
 fn gensidebar {
     # Ignore stderr, last path element might be a file that doesn't exist (eg., foo for foo.md)
     # /./ to deal with p9p's ls failure to follow dir symlinks otherwise
-    ls -F $sitedir/./$req_paths_list >[2]/dev/null|sed 's!^'$sitedir'!!; '^$dirfilter^'/\/[^_.\/][^\/]*(\.(md|txt|html)|\/)$/!d; '^$dirclean|sort -u|tee /tmp/d|awk -F/ ' 
+    ls -F $sitedir/./$req_paths_list >[2]/dev/null \
+        | sed 's!^'$sitedir'!!; '^$dirfilter^'/\/[^_.\/][^\/]*(\.(md|txt|html)|\/)$/!d; '^$dirclean \
+        | sort -u | awk -F/ ' 
     function p(x, y, s) {
         for(i=0; i < x-y; i+=1)
             print s