removing minified version as suggested in #341
removing minified version as suggested in #341

This commit removes jquery.nicescroll.min.js from the bower.json `main` as suggested by @daviesgeek
and explained in the bower spec http://bower.io/docs/creating-packages/

    `main` string or array: The primary acting files necessary to use your package.

cyberid41/jquery.nicescroll,parkmap/jquery.nicescroll,giobero999/jquery.nicescroll,tekinaggul/jquery.nicescroll,parkmap/jquery.nicescroll,121595113/jquery.nicescroll,Renji/jquery.nicescroll,GerHobbelt/jquery.nicescroll,alvus/jquery.nicescroll,sksujikumar/jquery.nicescroll,GerHobbelt/jquery.nicescroll,DesignPixelZ/jquery.nicescroll,BHASKARSDEN277GITHUB/jquery.nicescroll,cyberid41/jquery.nicescroll,Bilyachenko/jquery.nicescroll,giobero999/jquery.nicescroll,jasminhalkic/jquery.nicescroll,AleksandrChukhray/jquery.nicescroll,Bilyachenko/jquery.nicescroll,dhtodorov/jquery.nicescroll.fixLazyResize,121595113/jquery.nicescroll,Renji/jquery.nicescroll,mauri870/jquery.nicescroll,AleksandrChukhray/jquery.nicescroll,sksujikumar/jquery.nicescroll,dhtodorov/jquery.nicescroll.fixLazyResize,BHASKARSDEN277GITHUB/jquery.nicescroll,alvus/jquery.nicescroll,mauri870/jquery.nicescroll,DesignPixelZ/jquery.nicescroll,tekinaggul/jquery.nicescroll,jasminhalkic/jquery.nicescroll