Uninstall Creative Cloud from Mac

Use the Adobe Cleaner Tool below.

https://helpx.adobe.com/creative-cloud/kb/cc-cleaner-tool-installation-problems.html

Keep in mind, this does NOT cancel your subscription obligations if you have one.  You will need to cancel your plan separately.

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How do I Cancel my Subscription?
https://helpx.adobe.com/manage-account/using/cancel-subscription.html
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Subscription & Cancellation Terms:
https://www.adobe.com/legal/subscription-terms.html

uninstall every cc app including preferences, https://helpx.adobe.com/creative-cloud/help/uninstall-remove-app.html
then uninstall the cc desktop app, https://helpx.adobe.com/creative-cloud/help/uninstall-creative-cloud-desktop-app.html
clean your computer of cc files per http://www.adobe.com/support/contact/cscleanertool.html