DEPR: remove deprecated freqs/abbrevs 'A', 'A-DEC', 'A-JAN', etc.#57699

Merged

WillAyd merged 6 commits intopandas-dev:mainfrom

natmokval:depr-remove-A-from-timedelta-abbrevs-timeseries-freq

Mar 8, 2024

Commits on Mar 1, 2024

correct def to_offset, get_reso_from_freqstr, move freq A to c_REMOVED_ABBREVS
natmokval
committed

Commits on Mar 3, 2024

remove A, A-DEC, etc. from c_OFFSET_DEPR_FREQSTR and c_REMOVED_ABBREVS, fix resolution test
natmokval
committed

Commits on Mar 6, 2024

Commits on Mar 7, 2024