Move mypy configs from pre-commit to mypy config

Author: max-sixty

.pre-commit-config.yaml

@@ -34,7 +34,6 @@ repos:
     rev: v0.812
     hooks:
       - id: mypy
-        exclude: "properties|asv_bench"
   # run this occasionally, ref discussion https://github.com/pydata/xarray/pull/3194
   # - repo: https://github.com/asottile/pyupgrade
   #   rev: v1.22.1

setup.cfg

@@ -237,7 +237,11 @@ ignore_missing_imports = True
 # be going away soon anyways)
 [mypy-xarray.core.pycompat]
 ignore_errors = True
-
+# These also contain non-xarray code.
+[mypy-properties.*]
+ignore_errors = True
+[mypy-asv_bench.*]
+ignore_errors = True
 
 [aliases]
 test = pytest