[ENH] Checklist for deprecation in V0.10.0

[TonyBagnall]

Describe the feature or idea you want to propose

Open PR

• [DEP] Convert DOBIN to a BaseSeriesTransformer #1539 dobin.py: remove DOBIN [DEP] v0.10 remove dobin #1671
• [DEP] Deprecate the ACF and PACF BaseTransformer wrappers #1473 remove ACF and PACF BaseTransformer wrappers [DEP] V0.10 remove ACF/PACF #1678
• [ENH] Convert Theta transform to series transformer #1550 theta.py: ThetaLinesTransformer [DEP] v0.10 move ThetaLinesTransformer to legacy #1676
• [DEP] Deprecate simple wrapper transformers #1494 remove IndexSubset, ColumnSelect [DEP] v0.10 move ColumnSelect and IndexSelect to legacy #1675
• [DEP] Move and deprecate pca #1558 pca.py: PCATransformer [DEP] remove PCA #1674
• [DEP] Convert clear sky transformer to new base class #1565 clear_sky.py: ClearSky [DEP] Remove ClearSky #1673
• [DEP] Move BoxCox and Log transformer to series transformers #1493 Move BoxCox and Log BaseTransformers to legacy [DEP] make BoxCox legacy #1672
• [DEP] Deprecate kalman filter #1561 kalman_filter.py: BaseKalmanFilter, KalmanFilterTransformer [DEP] Remove kalman filter and time since #1669
• [DEP] Move and deprecate BKFilter #1560 bkfilter.py: BKFilter statsmodels wrapper [DEP] Remove kalman filter and time since #1669
• [DEP] Deprecate TimeSince #1559 timesince.py: TimeSince [DEP] Remove kalman filter and time since #1669
• [DEP] Deprecate simple wrapper transformers #1494 remove TimeBinning, CosineTransformer, SqrtTransformer, Augmenters [DEP] Remove augmenters, binning, cos, sqrt #1668
• [DEP] Deprecate _serialize file and load function #1378 Deprecate _serialize and load [DEP] Remove _serialize #1667
• [DEP] Make VectorizedDF private #1369 Make VectorizedDF private [DEP] remove public VectorizedDF #1666
• [ENH] Deprecate Differencer #1534 remove difference.py: Differencer [DEP] remove Differencer #1645

Done

• [DEP] simplify check_series/check_X #1442 Remove check_X from utils.validation.forecasting.py
• Remove save transform from RotationForestRegressor, RotationForestClassifier, FreshPRINCERegressor [ENH] Tidy, deprecation actions and testing for sklearn estimators #1701
• [ENH] Tidy up the utils directory #1042 missed deprecation of utils.estimator_checks check_estimator function
• [DEP] deprecate check_scorer #1439 Remove check_scorer function from utils.validation.forecasting.py [DEP] Simple removals for deprecation list for 0.10 #1644
• [DEP] Deprecate exceptions.py #1517 remove exceptions.py [DEP] Simple removals for deprecation list for 0.10 #1644
• [DEP] deprecate probabilistic performance metric classes #1436 Remove probabilistic performance metric classes [DEP] Remove probablistic class based metrics #1630

[TonyBagnall]

all done