STYLE: declare generated methods for blockDescriptor

- remove stray, unused file

src/mesh/blockMesh/blockDescriptor/blockDescriptor.H

@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -126,12 +126,17 @@ class blockDescriptor
 
         void findCurvedFaces();
 
+public:
+
+    // Generated Methods
+
+        //- Copy construct
+        blockDescriptor(const blockDescriptor&) = default;
+
         //- No copy assignment
         void operator=(const blockDescriptor&) = delete;
 
 
-public:
-
     // Constructors
 
         //- Construct from components. Optional cellSet/zone name.
@@ -143,7 +148,7 @@ public:
             const blockFaceList& faces,
             const labelVector& density,
             const UList<gradingDescriptors>& expand,
-            const word& zoneName = ""
+            const word& zoneName = word::null
         );
 
         //- Construct from Istream

src/mesh/blockMesh/blockDescriptor/blockDescriptorTest.C

-namespace Foam
-{
-    inline point faceCorr(const point& p)
-    {
-        return p/mag(p);
-    }
-}
-
-
-Foam::label Foam::blockDescriptor::correctFacePoints
-(
-    FixedList<List<point>, 6>& facePoints
-) const
-{
-    forAll(facePoints, facei)
-    {
-        forAll(facePoints[facei], pointi)
-        {
-            facePoints[facei][pointi] = faceCorr(facePoints[facei][pointi]);
-        }
-    }
-
-    return 6;
-}