Remove duplicate header
Remove duplicate header

Remove duplicate header
Duplicate header (debug.h) causes make install to fail

TEST=run the build
BUG=none

Review URL: http://codereview.chromium.org/2050014

coreos/dbus-cplusplus,coreos/dbus-cplusplus,bpsinc-native/src_third_party_cros_dbus_cplusplus_source,bpsinc-native/src_third_party_cros_dbus_cplusplus_source,bpsinc-native/src_third_party_cros_dbus_cplusplus_source,coreos/dbus-cplusplus,bpsinc-native/src_third_party_cros_dbus_cplusplus_source,coreos/dbus-cplusplus