Update RELEASE.md
Change to old release note made no sense
* Saver stores GPflow structures and pythonic types as numpy structured arrays and serializes them using HDF5
# Release 1.1
- - Added inter-domain inducing features. Inducing points are used by default and are now set with `model.feature.Z()`.
+ - Added inter-domain inducing features. Inducing points are used by default and are now set with `model.feature.Z`.
# Release 1.0
* Clear and aligned with tree-like structure of GPflow models design.
