Simplify mypy.ini

According to review suggestion

Co-authored-by: Avasam <[email protected]>

Author: abravalheri

mypy.ini

@@ -31,11 +31,7 @@ ignore_missing_imports = True
 
 # - pkg_resources tests create modules that won't exists statically before the test is run.
 #   Let's ignore all "import-not-found" since, if an import really wasn't found, then the test would fail.
-# - setuptools._vendor.packaging._manylinux: Mypy issue, this vendored module is already excluded!
+# Even when excluding vendored/generated modules, there might be problems: https://github.com/python/mypy/issues/11936#issuecomment-1466764006
 [mypy-pkg_resources.tests.*,setuptools._vendor.packaging._manylinux,setuptools.config._validate_pyproject.*]
-disable_error_code = import-not-found
-
-# - The unused-ignore comment in setuptools.config._validate_pyproject.* is probably evaluated differently
-#   in different versions of Python. Also, this file should already be ignored...
-[mypy-setuptools.config._validate_pyproject.*]
-disable_error_code = unused-ignore
+follow_imports = silent
+# silent => ignore errors when following imports