Remove obsolete code & some optimizations

[nihalzp]

No description provided.

[github-actions]

🚦 Performance Comparison ^{(α=0.05, ±3%)}

🗺️ Total maps

34

❌ Failed

0

🚀 Speed-ups

27

🐢 Slow-downs

1

⚖️ No change

6

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❌ Failures

None 😎

🚀 Speed-ups (27)

map	main	pr	Δ %	p
algeria_​by_​wilaya_​since_​2019/​algeria_​population_​by_​wilaya_​2022.csv	1.049±0.017	0.983±0.005	-6.3	0.000
australia_​by_​state_​and_​territory_​since_​1942/​australia_​population_​by_​state_​and_​territory_​2021.csv	0.870±0.009	0.822±0.004	-5.6	0.000
austria_​by_​state_​since_​1945/​austria_​population_​by_​state_​2020.csv	0.267±0.001	0.253±0.001	-5.2	0.000
bahamas_​by_​district_​since_​1999/​bahamas_​population_​by_​district_​2010.csv	3.830±0.056	3.618±0.036	-5.5	0.000
belgium_​by_​region_​simplified_​since_​1995/​belgium_​population_​by_​region_​simplified_​2022.csv	0.094±0.001	0.087±0.000	-7.6	0.000
belgium_​by_​region_​since_​1995/​belgium_​population_​by_​region_​2022.csv	0.116±0.000	0.108±0.001	-7.0	0.000
brazil_​by_​state_​since_​1988/​brazil_​population_​by_​state_​2021.csv	0.707±0.009	0.668±0.010	-5.5	0.000
china_​by_​province_​with_​chinese_​taipei_​since_​1998/​china_​population_​by_​province_​2020.csv	0.860±0.005	0.812±0.011	-5.6	0.000
conterminous_​usa_​by_​state_​since_​1959/​conterminous_​usa_​population_​by_​state_​2020.csv	0.541±0.006	0.512±0.008	-5.3	0.000
contiguous_​usa_​by_​county_​since_​2001/​usa_​population_​by_​county_​2021.csv	42.295±1.158	39.582±1.047	-6.4	0.002
croatia_​by_​county_​since_​1992/​croatia_​covid_​cases_​by_​county_​2022.csv	0.286±0.001	0.271±0.001	-5.2	0.000
croatia_​by_​county_​since_​1992/​croatia_​population_​by_​county_​2021.csv	0.195±0.001	0.185±0.005	-5.3	0.000
egypt_​by_​governorate_​since_​2009/​egypt_​population_​by_​governate_​2017.csv	0.876±0.003	0.836±0.002	-4.5	0.000
england_​by_​region_​since_​2023/​england_​population_​by_​region_​2022.csv	1.328±0.049	1.233±0.017	-7.2	0.004
france_​by_​metropolitan_​region_​since_​2016/​france_​population_​by_​metropolitan_​region_​2008.csv	0.285±0.001	0.273±0.001	-4.5	0.000
germany_​by_​state_​since_​1990/​germany_​population_​by_​state_​2011.csv	0.188±0.001	0.176±0.000	-6.2	0.000
indonesia_​by_​province_​since_​2022/​indonesia_​population_​by_​province_​2024.csv	0.408±0.001	0.387±0.001	-5.0	0.000
japan_​by_​prefecture_​since_​1888/​japan_​population_​by_​prefecture_​2020.csv	0.695±0.003	0.657±0.001	-5.5	0.000
malaysia_​by_​state_​since_​2001/​malaysia_​population_​by_​state_​2020.csv	0.344±0.001	0.328±0.002	-4.6	0.000
malaysia_​by_​state_​since_​2001/​malaysia_​population_​by_​state_​2020_​insetted.csv	0.455±0.001	0.432±0.001	-5.0	0.000
russia_​by_​federal_​subject_​since_​2008/​russia_​population_​by_​federal_​subject_​2010.csv	1.495±0.039	1.345±0.010	-10.0	0.000
switzerland_​by_​canton_​since_​1999/​switzerland_​gdp_​in_​billion_​chf_​by_​canton_​2019.csv	0.411±0.001	0.389±0.001	-5.6	0.000
switzerland_​by_​canton_​since_​1999/​switzerland_​population_​by_​canton_​2016.csv	0.346±0.002	0.331±0.007	-4.4	0.000
tunisia_​by_​governorate_​since_​1994/​tunisia_​population_​by_​governate_​2014.csv	0.346±0.002	0.330±0.001	-4.9	0.000
usa_​by_​state_​since_​1959/​usa_​population_​by_​state_​2020.csv	0.804±0.016	0.775±0.013	-3.6	0.006
usa_​by_​state_​since_​1959/​usa_​population_​by_​state_​2020_​insetted.csv	0.648±0.006	0.620±0.009	-4.4	0.000
vietnam_​by_​province_​since_​1996/​vietnam_​population_​by_​province_​2019.csv	0.682±0.008	0.651±0.006	-4.6	0.000

🐢 Slow-downs (1)

map	main	pr	Δ %	p
eu_​by_​region_​until_​2020/​eu_​population_​by_​region_​2020.csv	5.635±0.070	6.894±0.121	+22.3	0.000

⚖️ No significant change (6)

map	main	pr	Δ %	p
eu_​by_​country_​until_​2020/​eu_​population_​by_​country_​2021.csv	1.695±0.009	1.659±0.011	-2.1	0.000
metropolitan_​france_​by_​departement_​since_​2015/​metropolitan_​france_​population_​by_​departement_​2022.csv	1.074±0.013	1.083±0.012	+0.8	0.238
singapore_​by_​planning_​area_​since_​1999/​singapore_​population_​by_​planning_​area_​2015.csv	2.341±0.007	2.276±0.003	-2.8	0.000
world_​by_​country_​since_​2022/​world_​population_​by_​country_​2010.csv	6.455±0.071	5.606±1.008	-13.2	0.094
world_​by_​region/​world_​population_​by_​region.csv	10.887±0.273	10.968±1.667	+0.7	0.911
world_​by_​region_​wo_​antarctica/​world_​population_​by_​region_​wo_​antarctica.csv	7.192±1.494	5.648±0.104	-21.5	0.052