removed deprecated man_made=power_wind query

it is removing only query, rendering of this tag is already removed

![man_made power_wind name eeeeee eeeeee eeeeee ref 1 ele 8000 node](https://cloud.githubusercontent.com/assets/899988/5428458/6f7644a2-83c4-11e4-85fd-fd85ff7b8459.png)

![power generator power_source wind name eeeeee eeeeee eeeeee ref 1 ele 8000 node](https://cloud.githubusercontent.com/assets/899988/5428460/7236129e-83c4-11e4-82d4-8e9afa697043.png)