[Minor] Move max_lags, prediction_freq to config_model and n_lags to config_ar #2626

ModelReport

Benchmark	Metric	main	current	diff
PeytonManning	MAE_val	0.35028	0.35028	0.0%	✅
PeytonManning	RMSE_val	0.50092	0.50092	0.0%	✅
PeytonManning	Loss_val	0.01774	0.01774	0.0%	✅
PeytonManning	MAE	0.34667	0.34667	0.0%	✅
PeytonManning	RMSE	0.49358	0.49358	0.0%	✅
PeytonManning	Loss	0.01466	0.01466	0.0%	✅
PeytonManning	LR	0.00032	0.00032	0.0%	✅
PeytonManning	time	15.0405	15.27	1.53%	✅
AirPassengers	MAE_val	30.1289	30.1289	0.0%	✅
AirPassengers	RMSE_val	31.0819	31.0819	0.0%	✅
AirPassengers	Loss_val	0.01242	0.01242	0.0%	✅
AirPassengers	MAE	6.12209	6.12209	0.0%	✅
AirPassengers	RMSE	7.80953	7.80953	0.0%	✅
AirPassengers	Loss	0.00064	0.00064	0.0%	✅
AirPassengers	LR	0.0004	0.0004	0.0%	✅
AirPassengers	time	8.51708	8.61	1.09%	✅
EnergyPriceDaily	MAE_val	5.4019	5.4019	0.0%	✅
EnergyPriceDaily	RMSE_val	6.70638	6.70638	0.0%	✅
EnergyPriceDaily	Loss_val	0.02518	0.02518	0.0%	✅
EnergyPriceDaily	MAE	5.91313	5.91313	0.0%	✅
EnergyPriceDaily	RMSE	7.94013	7.94013	0.0%	✅
EnergyPriceDaily	Loss	0.02554	0.02554	0.0%	✅
EnergyPriceDaily	LR	0.00029	0.00029	0.0%	✅
EnergyPriceDaily	time	19.5193	20.99	7.53%	❌
YosemiteTemps	MAE_val	0.57299	0.57299	0.0%	✅
YosemiteTemps	RMSE_val	0.84755	0.84755	0.0%	✅
YosemiteTemps	Loss_val	0.00042	0.00042	0.0%	✅
YosemiteTemps	MAE	0.93964	0.93964	0.0%	✅
YosemiteTemps	RMSE	1.65623	1.65623	0.0%	✅
YosemiteTemps	Loss	0.00118	0.00118	0.0%	✅
YosemiteTemps	LR	0.0001	0.0001	0.0%	✅
YosemiteTemps	time	57.9813	62.51	7.81%	❌