url replaces project_urls in setup.py

setup.py

@@ -67,21 +67,14 @@ def glob_data_files(data_package, data_type=None):
                          include_dirs=[numpy.get_include()])]
 
 mujoco_data_package = 'mushroom_rl.environments.mujoco_envs.data'
-extrenal_simulation_package = 'mushroom_rl.environments.mujoco_envs.humanoid_gait._external_simulation'
-
-project_urls = {
-    'Project repository': 'https://github.com/MushroomRL/mushroom-rl',
-    'Project documentation': 'https://mushroomrl.readthedocs.io/en/latest/',
-    'MushroomRL Benchmarking Suite repository': 'https://github.com/MushroomRL/mushroom-rl-benchmark',
-    'MushroomRL Benchmarking Suite documentation': 'https://mushroom-rl-benchmark.readthedocs.io/en/latest/index.html'
-}
+external_simulation_package = 'mushroom_rl.environments.mujoco_envs.humanoid_gait._external_simulation'
 
 setup(
     name='mushroom-rl',
     version=__version__,
     description='A Python library for Reinforcement Learning experiments.',
     long_description=long_description,
-    project_urls=project_urls,
+    url='https://github.com/MushroomRL/mushroom-rl',
     author="Carlo D'Eramo, Davide Tateo",
     author_email='[email protected]',
     license='MIT',
@@ -97,6 +90,6 @@ def glob_data_files(data_package, data_type=None):
     cmdclass={'build_ext': build_ext},
     package_data={
         mujoco_data_package: glob_data_files(mujoco_data_package),
-        extrenal_simulation_package: ["*.pyx"]},
+        external_simulation_package: ["*.pyx"]},
     ext_modules=cythonize(ext_modules)
 )