Bug 1162336 - Part 1: Remove instances of #ifdef PR_LOGGING in netwerk. r=froydnj

PR_LOGGING is now always defined, we can remove #ifdefs checking for it.

netwerk/cache/nsDiskCacheDeviceSQL.cpp

@@ -225,11 +225,9 @@ nsOfflineCacheEvictionFunction::Apply()
   LOG(("nsOfflineCacheEvictionFunction::Apply\n"));
 
   for (int32_t i = 0; i < mItems.Count(); i++) {
-#if defined(PR_LOGGING)
     nsAutoCString path;
     mItems[i]->GetNativePath(path);
     LOG(("  removing %s\n", path.get()));
-#endif
 
     mItems[i]->Remove(false);
   }