Fix circular header file dependency

AMReX_GpuContainers.H included AMReX_Scan.H, which in turn includes
AMReX_Gpu.H, which in turn includes AMReX_GpuContainers.H.

In this PR, AMReX_Scan.H is removed from AMReX_GpuContainers.H, because it
does not need it.

Src/Base/AMReX_GpuContainers.H

@@ -5,7 +5,6 @@
 #include <AMReX_Vector.H>
 #include <AMReX_PODVector.H>
 #include <AMReX_GpuAllocators.H>
-#include <AMReX_Scan.H>
 #include <type_traits>
 
 #include <numeric>

Src/EB/AMReX_EB_utils.cpp

@@ -3,6 +3,7 @@
 #include <AMReX_Geometry.H>
 #include <AMReX_MultiCutFab.H>
 #include <AMReX_REAL.H>
+#include <AMReX_Scan.H>
 #include <AMReX_EBFabFactory.H>
 #include <AMReX_EBFArrayBox.H>
 

Src/Extern/HYPRE/AMReX_HypreABecLap3.cpp

@@ -3,6 +3,10 @@
 
 #include <AMReX_Habec_K.H>
 
+#ifdef AMREX_USE_GPU
+#include <AMReX_Scan.H>
+#endif
+
 #ifdef AMREX_USE_EB
 #include <AMReX_EBMultiFabUtil.H>
 #include <AMReX_MultiCutFab.H>

Src/Extern/HYPRE/AMReX_HypreNodeLap.cpp

@@ -2,6 +2,10 @@
 #include <AMReX_VisMF.H>
 #include <AMReX_MLNodeLaplacian.H>
 
+#ifdef AMREX_USE_GPU
+#include <AMReX_Scan.H>
+#endif
+
 #include <cmath>
 #include <numeric>
 #include <limits>

Src/Particle/AMReX_DenseBins.H

@@ -3,6 +3,7 @@
 #include <AMReX_Config.H>
 
 #include <AMReX_Gpu.H>
+#include <AMReX_Scan.H>
 #include <AMReX_IntVect.H>
 #include <AMReX_BLProfiler.H>
 #include <AMReX_BinIterator.H>

Src/Particle/AMReX_ParticleCommunication.H

@@ -7,6 +7,7 @@
 #include <AMReX_IntVect.H>
 #include <AMReX_ParticleBufferMap.H>
 #include <AMReX_MFIter.H>
+#include <AMReX_Scan.H>
 #include <AMReX_TypeTraits.H>
 #include <AMReX_MakeParticle.H>