Remove unused EIGEN_HAS_STATIC_ARRAY_TEMPLATE

ec2fd0f7 removed the EIGEN_HAS_STATIC_ARRAY_TEMPLATE but forgot to remove this
last occurrence.

This fixes issue #2399.
diff --git a/test/indexed_view.cpp b/test/indexed_view.cpp
index d8a5532..864d8b0 100644
--- a/test/indexed_view.cpp
+++ b/test/indexed_view.cpp
@@ -403,7 +403,6 @@
     VERIFY( MATCH( A(all,1)(1), "101"));
   }
 
-#if EIGEN_HAS_STATIC_ARRAY_TEMPLATE
   // bug #2375: indexing over matrices of dim >128 should compile on gcc
   {
     Matrix<double, 513, 3> large_mat = Matrix<double, 513, 3>::Random();
@@ -413,7 +412,6 @@
       for(int row = 0; row < large_mat.rows(); ++row)
         VERIFY_IS_EQUAL( thin_slice(row, col), large_mat(row, col) );
   }
-#endif
 
   //Bug IndexView with a single static row should be RowMajor:
   {