Removed unused import in sipsimple.applications.test.watcherinfo

Ignore-this: 3ee044d4d76708d5b09f9c33adae720e

darcs-hash:20090329234622-1e3d8-c6d1b60b5267e3f6ec296378a4763e477f38b16e
Removed unused import in sipsimple.applications.test.pidf

Ignore-this: 892853eb305c8f99f77b257e105a9406

darcs-hash:20090329234722-1e3d8-7758ba34f7818a1981ba470d97e73f1ae1629407