[BUGFIX] remove bower mention

README.md

@@ -5,7 +5,7 @@
 ## Installation
 
 To use the sgalinski-generator you need to have node and npm installed. Furthermore, you should have
-yeoman, gulp and bower installed globally. To do so, simply run
+yeoman and gulp installed globally. To do so, simply run
 
 ```bash
 npm install -g yo