del extra `<%= pkg.name %>`

I'm sure you don't need an extra `<%= pkg.name %>`.
I wish there was a `file.name` since you distribute 2/3 files, but Google won't find it for me.
Merge pull request #2 from tomByrer/patch-1

del extra `<%= pkg.name %>`
Removed `pkg.name` in Gruntfile.js