How to remove the node_modules folder quickly
Use rimraf
You could use rimraf:
npm install -g rimraf
rimraf C:\code\yeoman-foo(folder path)
Error
If there is error like this : cannot be loaded because running scripts is disabled on this system. F or more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170.
This could be due to the current user having an undefined ExecutionPolicy.
You could try the following:
Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy Unrestricted