[inflation_history] Remove Tables and Update Code Length (#324)

* remove tables and update code length * revert changes on `applymap` * fix typos * update code length * Update lectures/inflation_history.md Co-authored-by: mmcky <mmcky@users.noreply.github.com> --------- Co-authored-by: mmcky <mmcky@users.noreply.github.com>

Author: HumphreyYang