Fix imported unit test

Configurable actions have moved to pex_config with only a stub
remaining in pipe_tasks. This stub is not a package and thus
cannot be checked with package import syntax. Tests on this
code live in pex_config now.

python/lsst/pipe/tasks/configurableActions.py

@@ -1,8 +1,11 @@
 import warnings
 
-warnings.warn('lsst.pipe.tasks.configurableActions is deprecated; '
-              'it has been moved to lsst.pex.config.configurableActions. '
-              'Accessing though lsst.pipe.tasks will be removed from '
-              'Science Pipelines after release 26.0.0', category=FutureWarning)
+warnings.warn(
+    "lsst.pipe.tasks.configurableActions is deprecated; "
+    "it has been moved to lsst.pex.config.configurableActions. "
+    "Accessing though lsst.pipe.tasks will be removed from "
+    "Science Pipelines after release 26.0.0",
+    category=FutureWarning
+)
 
-from lsst.pex.config.configurableActions import *
+from lsst.pex.config.configurableActions import *  # noqa: F401 E402, F403

tests/test_import.py

@@ -42,9 +42,6 @@ def test_import_script(self):
     def test_import_dataFrameActions(self):
         self.assertImport("lsst.pipe.tasks.dataFrameActions")
 
-    def test_import_configurableActions(self):
-        self.assertImport("lsst.pipe.tasks.configurableActions")
-
     def assertImport(self, root_pkg):
         for file in importlib.resources.contents(root_pkg):
             if not file.endswith(".py"):