Modify and rename setup.py

Replace contents with comment and rename file
to setup.py.disabled as per Issue adafruit#36

Author: SAK917

setup.py

@@ -0,0 +1,7 @@
+# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+"""
+This library is not deployed to PyPI. It is either a board-specific helper library, or
+does not make sense for use on or is incompatible with single board computers and Linux.
+"""