Follow-up r2119. Remove unwanted change.
Follow-up r2119. Remove unwanted change.

* serf.h
  (serf_debug__bucket_read): Remove declaration.

muthusuba/serf,muthusuba/serf,krime/serf,blueszhangsh/serf,Manouchehri/serf,liuzongquan/serf,wzugang/serf,Manouchehri/serf,justinweb/serf,justinweb/serf,wzugang/serf,idomon/serf,liuzongquan/serf,TommyU/serf,sworda/serf,TommyU/serf,krime/serf,TommyU/serf,krime/serf,idomon/serf,justinweb/serf,krime/serf,wzugang/serf,blueszhangsh/serf,sworda/serf,sworda/serf,idomon/serf,liuzongquan/serf,idomon/serf,liuzongquan/serf,Manouchehri/serf,muthusuba/serf,muthusuba/serf,blueszhangsh/serf,Manouchehri/serf,blueszhangsh/serf,wzugang/serf,justinweb/serf,sworda/serf,TommyU/serf