Fixed classifier bug.

Author: ocefpaf

setup.py

@@ -67,8 +67,7 @@ def run_tests(self):
     include_package_data=True,
     platforms='any',
     test_suite='seawater.test.test_result_comparison',
-    classifiers=['Development Status :: 5 - Production/Stable',
-                 'Programming Language :: Python',
+    classifiers=['Programming Language :: Python',
                  'Development Status :: 6 - Mature',
                  'Environment :: Console',
                  'Intended Audience :: Science/Research',