Revert Interval/IntervalIndex/interval_range.inclusive deprecation
xref https://github.com/pandas-dev/pandas/issues/47365#issuecomment-1215904502

Reverts these PRs

https://github.com/pandas-dev/pandas/pull/47775
https://github.com/pandas-dev/pandas/pull/47655
https://github.com/pandas-dev/pandas/pull/47646
https://github.com/pandas-dev/pandas/pull/47636
https://github.com/pandas-dev/pandas/pull/47637
https://github.com/pandas-dev/pandas/pull/47367
https://github.com/pandas-dev/pandas/pull/46522
https://github.com/pandas-dev/pandas/pull/46355

@phofl would appreciate a look since you did a lot of the cleanup post deprecation (and there were tons of merge conflicts reverting along the way)

Looks good, but impossible to see everything...