revert: back out the live warehouse harness from #430

pkg-py/pyproject.toml

@@ -43,20 +43,10 @@ shiny = [
 ]
 
 [dependency-groups]
-# pytz is what DuckDB reaches for to hand back a TIMESTAMPTZ, which the live
-# warehouse fixture rows use so their offsets survive the round trip.
-dev = ["pytest>=8", "pytest-asyncio", "ruff", "pyrefly", "pandas>=2", "polars>=1", "pins>=0.9", "commons[shiny]", "matplotlib>=3.8", "great-tables>=1.0.0", "plotnine>=0.15.8", "pytz"]
+dev = ["pytest>=8", "pytest-asyncio", "ruff", "pyrefly", "pandas>=2", "polars>=1", "pins>=0.9", "commons[shiny]", "matplotlib>=3.8", "great-tables>=1.0.0", "plotnine>=0.15.8"]
 docs = [
     "great-docs>=0.17",
 ]
-# Drivers for the live warehouse tests, which skip without a configured
-# warehouse. Kept out of `dev` so an ordinary contributor does not install a
-# warehouse client to run the suite.
-live-warehouse = [
-    "databricks-sdk>=0.55",
-    "databricks-sqlalchemy>=2",
-    "snowflake-sqlalchemy>=1.6",
-]
 
 [build-system]
 requires = ["hatchling"]