Remove unused PM::last_nullptr_

include/core/processor/processor_motion.h

@@ -484,7 +484,6 @@ class ProcessorMotion : public ProcessorBase, public IsMotion
         CaptureMotionPtr origin_ptr_;
         CaptureMotionPtr last_ptr_;
         CaptureMotionPtr incoming_ptr_;
-        bool last_nullptr_;
         
     protected:
         // helpers to avoid allocation

src/processor/processor_motion.cpp

@@ -33,7 +33,6 @@ ProcessorMotion::ProcessorMotion(const std::string& _type,
         origin_ptr_(),
         last_ptr_(),
         incoming_ptr_(),
-        last_nullptr_(false),
         dt_(0.0), 
         x_(_state_size),
         delta_(_delta_size),
@@ -315,11 +314,6 @@ void ProcessorMotion::processCapture(CaptureBasePtr _incoming_ptr)
             break;
     }
 
-    if (last_nullptr_){
-        integrateOneStep();
-        last_nullptr_ = false;
-    }
-
 
     // Update state and time stamps
     const auto& ts = getTimeStamp();