Remove inclusion of brillo/daemons/daemon.h in process_reaper.*

This CL removes the unnecesary inclusion of brillo/daemons/daemon.h in
process_reaper.*, which don't use anything from daemons/daemons.h.

BUG=None
TEST=Remote trybot runs.

Change-Id: I424df0a2b5895d6a9d33be295a46eed018254bd9
Reviewed-on: https://chromium-review.googlesource.com/631616
Commit-Ready: Ben Chan <benchan@chromium.org>
Tested-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>
diff --git a/brillo/process_reaper.cc b/brillo/process_reaper.cc
index c4cb1cf..3d311c4 100644
--- a/brillo/process_reaper.cc
+++ b/brillo/process_reaper.cc
@@ -11,7 +11,6 @@
 #include <base/bind.h>
 #include <base/posix/eintr_wrapper.h>
 #include <brillo/asynchronous_signal_handler.h>
-#include <brillo/daemons/daemon.h>
 #include <brillo/location_logging.h>
 
 namespace brillo {
diff --git a/brillo/process_reaper.h b/brillo/process_reaper.h
index 937c88c..41bbe73 100644
--- a/brillo/process_reaper.h
+++ b/brillo/process_reaper.h
@@ -13,7 +13,6 @@
 #include <base/location.h>
 #include <base/macros.h>
 #include <brillo/asynchronous_signal_handler.h>
-#include <brillo/daemons/daemon.h>
 
 namespace brillo {