Update README.md

Removing --use-wheels

Author: CamDavidsonPilon

README.md

@@ -30,13 +30,9 @@ You can install *lifelines* using
 
        pip install lifelines
 
-and on **Windows**,
-
-    pip --use-wheel install lifelines
 
 Or getting the bleeding edge version with:
 
-
        pip install --upgrade --no-deps git+https://github.com/CamDavidsonPilon/lifelines.git