Rm empty example dir (#238)

Author: benjamc

CHANGELOG.md

@@ -2,6 +2,7 @@
 - Update SyneTune API, add CQR as optimizer (#211).
 - Fix regeneration of runcommands (#212).
 - Update plotting functions and add example notebook (`plot_demo.ipynb`) (#214).
+- Remove empty example directory (#206).
 
 # 1.0.4
 - Fix yahpo error (#201).