CLN: Remove the Panel4D and PanelND classes#19059

Merged

jreback merged 1 commit intopandas-dev:masterfrom forking-repos:panel-depr-remove

Jan 3, 2018

+24-1,654

Commits on Jan 3, 2018

CLN: Remove the Panel4D and PanelND classes
gfyoung
committed