Remove manual set lib

Former-commit-id: dd657f3cf0c216fc094219169bbdb9707b5b4e39

python/setup.py

@@ -50,7 +50,6 @@ class CMakeBuild(build_ext):
 
         cmake_args = ['-DCMAKE_LIBRARY_OUTPUT_DIRECTORY=' + extdir,
                       '-DPYTHON_EXECUTABLE=' + sys.executable,
-                      '-DPYTHON_LIBRARY=' + python_library,
                       '-DPYTHON_INCLUDE_DIR=' + python_include_directory, ]
 
         cfg = 'Debug' if self.debug else 'Release'