STYLE: tetrahedronI.H: unused variables

src/OpenFOAM/meshes/primitiveShapes/tetrahedron/tetrahedronI.H

@@ -704,8 +704,6 @@ tetSliceWithPlane
         // Tet cut into two prisms. Determine the positive one.
         label pos0 = -1;
         label pos1 = -1;
-        label neg0 = -1;
-        label neg1 = -1;
         forAll(d, i)
         {
             if (d[i] > 0)
@@ -719,17 +717,6 @@ tetSliceWithPlane
                     pos1 = i;
                 }
             }
-            else
-            {
-                if (neg0 == -1)
-                {
-                    neg0 = i;
-                }
-                else
-                {
-                    neg1 = i;
-                }
-            }
         }
 
         //Pout<< "Split 2pos tet " << tet << " d:" << d