Update MFIter::finalized

Co-authored-by: Weiqun Zhang <[email protected]>

Author: ax3l

Src/Base/AMReX_MFIter.H

@@ -180,7 +180,7 @@ protected:
     IndexType     typ;
 
     bool          dynamic;
-    bool          initialized;
+    bool          finalized = false;
 
     struct DeviceSync {
         DeviceSync () = default;

Src/Base/AMReX_MFIter.cpp

@@ -215,15 +215,8 @@ MFIter::~MFIter ()
 void
 MFIter::Finalize ()
 {
-    if (!initialized) return;
-
-#ifdef AMREX_USE_OMP
-#pragma omp master
-#endif
-    {
-        initialized = false;
-        depth = 0;
-    }
+    if (finalized) return;
+    finalized = true;
 
 #ifdef BL_USE_TEAM
     if ( ! (flags & NoTeamBarrier) )
@@ -357,13 +350,6 @@ MFIter::Initialize ()
 
         typ = fabArray.boxArray().ixType();
     }
-
-#ifdef AMREX_USE_OMP
-#pragma omp master
-#endif
-    {
-        initialized = true;
-    }
 }
 
 Box