Revert "Fixes #13424 - Add Patternfly Donut Chart React component"

This reverts commit f4b2a11615d14ba1407aecd55523cd44d1010e14.

Fixes #13424 - Add Patternfly Donut Chart React component

Our donut charts do not look like they should in Patternfly.
https://www.patternfly.org/patterns/donut-chart/ uses c3, so we can do
that too.
Eventually I want to remove flot_pies too, but I have to yet figure out...

Fixes #12380 - Added the ability to select pagination mechanism in /filters

Fixes #13726 - rename delete button on pending certs

Fixes #13257 - nested locations can be created via api

templates - sync from community-templates

Fixes #13730 - change closing tfoot

Fixes #12393 - Clarify parameter override count column header

fixes #13729 - fix typo in images header HTML

fixes #13647 - change puppet ca proxy for several hosts at once