drgn.helpers.linux: remove unused "# type: ignore"

python/mypy#1422 was fixed awhile ago.

Signed-off-by: Omar Sandoval <[email protected]>

Author: osandov

drgn/helpers/linux/__init__.py

@@ -35,10 +35,7 @@
 from typing import List
 
 __all__: List[str] = []
-for _module_info in pkgutil.iter_modules(
-    __path__,  # type: ignore[name-defined]  # python/mypy#1422
-    prefix=__name__ + ".",
-):
+for _module_info in pkgutil.iter_modules(__path__, prefix=__name__ + "."):
     _submodule = importlib.import_module(_module_info.name)
     _submodule_all = getattr(_submodule, "__all__", ())
     __all__.extend(_submodule_all)