adjust std includes

Core/Computation/DWBAComputation.h

@@ -21,7 +21,6 @@
 #define BORNAGAIN_CORE_COMPUTATION_DWBACOMPUTATION_H
 
 #include "Core/Computation/IComputation.h"
-#include <memory>
 #include <vector>
 
 class DiffuseElement;

Core/Computation/DepthProbeComputation.h

@@ -21,6 +21,7 @@
 #define BORNAGAIN_CORE_COMPUTATION_DEPTHPROBECOMPUTATION_H
 
 #include "Core/Computation/IComputation.h"
+#include <vector>
 
 class DepthProbeElement;
 class ProcessedSample;

Core/Computation/IComputation.h

@@ -22,7 +22,6 @@
 
 #include "Core/Computation/ComputationStatus.h"
 #include <memory>
-#include <vector>
 
 class DelayedProgressCounter;
 class MultiLayer;

Core/Computation/SpecularComputation.h

@@ -21,7 +21,7 @@
 #define BORNAGAIN_CORE_COMPUTATION_SPECULARCOMPUTATION_H
 
 #include "Core/Computation/IComputation.h"
-#include <memory>
+#include <vector>
 
 class SpecularElement;