[3920] Removed redundant data_ declaration from derived DControllerBase class

src/bin/d2/d_controller.cc

@@ -44,7 +44,7 @@ DControllerBase::DControllerBase(const char* app_name, const char* bin_name)
     : app_name_(app_name), bin_name_(bin_name),
       verbose_(false), spec_file_name_(""),
       io_service_(new isc::asiolink::IOService()),
-      signal_set_(), io_signal_queue_() {
+      io_signal_queue_() {
 }
 
 void

src/bin/d2/d_controller.h

@@ -23,7 +23,6 @@
 #include <dhcpsrv/daemon.h>
 #include <exceptions/exceptions.h>
 #include <log/logger_support.h>
-#include <util/signal_set.h>
 
 #include <boost/shared_ptr.hpp>
 #include <boost/noncopyable.hpp>
@@ -500,9 +499,6 @@ private:
     /// @brief Shared pointer to an IOService object, used for ASIO operations.
     asiolink::IOServicePtr io_service_;
 
-    /// @brief Set of registered signals to handle.
-    util::SignalSetPtr signal_set_;
-
     /// @brief Queue for propagating caught signals to the IOService.
     IOSignalQueuePtr io_signal_queue_;