VSS Binding Remover
VSS Binding Remover is a simple Windows software which removes the Visual Source Safe bindings from the Visual Studio projects and solutions. It has been tested with a VS2008 solution but it should work with VS2005 and VS2010 solutions also. 
Credits
This program is mostly a copy-paste from the stackoverflow.Credits for the code goes to:
Usage
Start the VSSBindingRemover.exe, type in or select the root folder and hit Go. You should get a message box when processing has completed.
Note:You may need the elevated privileges if you have Windows Vista or Windows 7. This is because the program removes the read-only attributes from project files and solutions.
Download and source code
VSS Binding Remover is available at the GitHub. You can download both the source code and the executables from there.