Update index.md

Author: ChrisRackauckas

docs/src/index.md

@@ -8,8 +8,6 @@ features, such as integrating with automatic differentiation, to make its usage
 fairly simple for most cases, while allowing all of the options in a single
 unified interface.
 
-##### Note: The package is still in active development.
-
 ## Installation
 
 Assuming that you already have Julia correctly installed, it suffices to import