Remove pybind11-based from generated module-level __doc__.

Final minor cleanup step. The main change was cl/592058095.

Last-minute codesearch: `pybind11.*__doc__ l:python case:yes`

The only 4 matches are unrelated (pybind11/tests/test_modules.py).

PiperOrigin-RevId: 592955483

clif/pybind11/generator.py

@@ -193,8 +193,7 @@ def generate_from(self, ast: ast_pb2.AST):
     yield I + I + 'm.attr("__pyclif_codegen_mode__") = "pybind11";'
     for s in self._generate_import_modules(ast):
       yield I + s
-    yield I + I + ('m.doc() = "CLIF-generated pybind11-based module for '
-                   f'{ast.source}";')
+    yield I + I + f'm.doc() = "CLIF-generated module for {ast.source}";'
     if self._codegen_info.requires_status:
       yield I + I + ('pybind11::module_::import('
                      '"util.task.python.error");')

clif/testing/python/top_level_pass_test.py

@@ -22,7 +22,7 @@ class TopLevelPassTest(absltest.TestCase):
   def testEmptyModule(self):
     self.assertRegexpMatches(  # pylint: disable=deprecated-method
         top_level_pass.__doc__,
-        'CLIF-generated .*module for .*top_level_pass.clif')
+        'CLIF-generated module for .*top_level_pass.clif')
     self.assertIn(top_level_pass.__pyclif_codegen_mode__, ('c_api', 'pybind11'))