ELSEE9  If there's no NSUserKeyEquivalents default in com.apple.Finder domain, uninstallation is successfully done. Just reopen the Finder.app.

I tried that steps on OS X Tiger(10.4.11) and successfully uninstalled.

If it doesn't help you, you should contact the auther of this utility.  
(Version 1.0)

ELSEE9  Here's the steps to uninstall. (I hope that next version comes with uninstaller)

Please try at your own risk.

1. If Developer Tools installed

a.Double-click /Users//Library/Preferences/com.apple.Finder.plist" to open with Property List Editor.app .

b. select NSUserKeyEquivalents line and click "Delete" button.

c. Command-S to save changes.

d. Reopen Finder.app(Control-Option-click the Finder icon in the Dock)

2. If Developer Tools not installed

a. Launch /Applications/Utilities/Terminal.app .

b. Type following command.

defaults delete com.apple.Finder NSUserKeyEquivalents

c. Reopen Finder.app(same as above)  
(Version 1.0)

ELSEE9  delete NSUserKeyEquivalents from com.apple.Finder.plist using plist editor or defaults command.  
(Version 1.0)