There are various ways to remove / uninstall TeamViewer from your computer:
1> The easiest way is to remove the program from Add or Remove Programs utlility which comes built-in all version of Windows. Click on Start –> Control Panel –> Add or Remove Program –> Find TeamViewer in the list and click on Remove.
2> You can also use MyUninstaller, which serves as an excellent replacement tool to the standard Windows Add/Remove utility. You can use this utility to list programs on a system, and remove / uninstall TeamViewer from the list.
A few other posts, related to Teamviewer, that you might be interested in:
1> Solution for TeamViewer Commercial Use Susptected problem,
2> Reinstall TeamViewer, if your TeamViewer has expired.