Remove Manifest.in as setup.cfg works after removing cache

MANIFEST.in

@@ -1,6 +0,0 @@
-exclude ChangeLog # At least 'https://pylint.pycqa.org/en/latest/whatsnew/' is not downloaded for each install
-recursive-exclude elisp *
-recursive-exclude doc *
-recursive-exclude tests *
-recursive-exclude script *
-recursive-exclude examples *

setup.cfg

@@ -50,6 +50,10 @@ install_requires =
 python_requires = ~=3.6
 zip_safe = True
 
+[options.packages.find]
+include =
+    pylint*
+
 [options.entry_points]
 console_scripts =
     pylint = pylint:run_pylint