DOC: Fix license identifier for OpenBLAS

Author: stefan6419846

tools/wheels/LICENSE_osx.txt

@@ -7,7 +7,7 @@ Name: OpenBLAS
 Files: numpy/.dylibs/libopenblas*.so
 Description: bundled as a dynamically linked library
 Availability: https://github.com/OpenMathLib/OpenBLAS/
-License: BSD-3-Clause-Attribution
+License: BSD-3-Clause
   Copyright (c) 2011-2014, The OpenBLAS Project
   All rights reserved.