Update PyFluent author and maintainer metadata (#301)

* Setup file update

* Remove package_dir

Author: RobPasMue

setup.py

@@ -43,20 +43,21 @@
     description="Pythonic interface to Ansys Fluent",
     long_description=open("README.rst", encoding="utf8").read(),
     long_description_content_type="text/x-rst",
-    url="https://github.com/pyansys/pyfluent",
     license="MIT",
     author="ANSYS, Inc.",
-    maintainer="Mainak Kundu",
-    maintainer_email="[email protected]",
-    install_requires=install_requires,
-    extras_require={
-        "post": install_requires_post,
-    },
-    python_requires=">3.6",
+    author_email="[email protected]",
+    maintainer="PyAnsys developers",
+    maintainer_email="[email protected]",
     classifiers=[
         "Development Status :: 4 - Beta",
         "Programming Language :: Python :: 3",
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
     ],
+    url="https://github.com/pyansys/pyfluent",
+    python_requires=">3.6",
+    install_requires=install_requires,
+    extras_require={
+        "post": install_requires_post,
+    },
 )