🔥 Mark Python 3.4 as unsupported

It's already been dropped from tox and Travis CI test matrixes
and now it's time to drop it from the metadata since Python 3.4
is EOL.

Author: webknjaz

setup.py

@@ -20,7 +20,7 @@
     zip_safe=False,
     install_requires=['pytest>=3.1.0'],
     setup_requires=['setuptools_scm'],
-    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*',
+    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
     classifiers=[
         'Development Status :: 7 - Inactive',
         'Framework :: Pytest',
@@ -35,7 +35,6 @@
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',