Update setup.py

sklearn is deprecated and scikit-learn is already in requirements

setup.py

@@ -70,6 +70,6 @@
     # your project is installed. For an analysis of "install_requires" vs pip's
     # requirements files see:
     # https://packaging.python.org/en/latest/requirements.html
-    install_requires=['pandas', 'sklearn', 'numpy', 'matplotlib'],
+    install_requires=['pandas', 'numpy', 'matplotlib'],
 
 )