Depend on microunit for tax-unit construction instead of in-repo copy

changelog.d/1156.changed.md

@@ -0,0 +1 @@
+- Replaced the in-repo tax-unit construction engine and rule helpers with a dependency on the standalone `microunit` package, re-pointing all call sites. Tax-unit output is unchanged.

policyengine_us_data/datasets/acs/acs_to_cps_columns.py

@@ -1,6 +1,6 @@
 """
 Map ACS PUMS person records onto the CPS-like columns consumed by
-``policyengine_us_data.datasets.cps.tax_unit_construction``.
+``microunit.construct_tax_units``.
 
 Column contract:
 

policyengine_us_data/datasets/acs/tax_unit_construction.py

@@ -2,13 +2,11 @@
 
 import pandas as pd
 
+from microunit import POLICYENGINE_MODE, construct_tax_units
+
 from policyengine_us_data.datasets.acs.acs_to_cps_columns import (
     acs_person_to_cps_tax_unit_columns,
 )
-from policyengine_us_data.datasets.cps.tax_unit_construction import (
-    POLICYENGINE_MODE,
-    construct_tax_units,
-)
 
 
 def construct_tax_units_acs(

policyengine_us_data/datasets/cps/census_cps.py

@@ -5,9 +5,7 @@
 from zipfile import ZipFile
 import pandas as pd
 from policyengine_us_data.storage import STORAGE_FOLDER
-from policyengine_us_data.datasets.cps.tax_unit_construction import (
-    construct_tax_units,
-)
+from microunit import construct_tax_units
 
 
 OPTIONAL_PERSON_COLUMNS = {