Merge branch 'remove-notebooks' of github.com:MarcoGorelli/pymc3 into remove-notebooks

Author: MarcoGorelli

Diff for: RELEASE-NOTES.md

@@ -11,6 +11,7 @@ This is the first release to support Python3.9 and to drop Python3.6.
 - Make `sample_shape` same across all contexts in `draw_values` (see [#4305](https://github.com/pymc-devs/pymc3/pull/4305)).
 - Removed `theanof.set_theano_config` because it illegally touched Theano's privates (see [#4329](https://github.com/pymc-devs/pymc3/pull/4329)).
 - In `sample_posterior_predictive` the `vars` kwarg was removed in favor of `var_names` (see [#4343](https://github.com/pymc-devs/pymc3/pull/4343)).
+- The notebook gallery has been moved to https://github.com/pymc-devs/pymc-examples (see [#4348](https://github.com/pymc-devs/pymc3/pull/4348)).
 
 
 ## PyMC3 3.10.0 (7 December 2020)