Removal proposal: finance/hledger

[alarixnia]

It's a large consumer of Haskell libraries but seems exceptionally unpopular:

$ ggrep hledger allstats.tsv
2022-01-19      SmartOS x86_64  trunk   hledger-lib-1.21nb1
2022-01-19      SmartOS x86_64  trunk   hledger-1.21nb1
2022-01-20      SmartOS x86_64  trunk   hledger-lib-1.21nb1
2022-01-20      SmartOS x86_64  trunk   hledger-1.21nb1
2024-07-08      SmartOS x86_64  trunk   hledger-1.33.1nb1
2024-07-08      SmartOS x86_64  trunk   hledger-lib-1.33.1nb1
2024-07-14      SmartOS x86_64  trunk   hledger-1.33.1nb1
2024-07-14      SmartOS x86_64  trunk   hledger-lib-1.33.1nb1