config: remove a couple of unneeded :type: doc comments

Author: bluetech

src/_pytest/config/__init__.py

@@ -1005,7 +1005,7 @@ class InvocationParams:
         plugins: Sequence[str | _PluggyPlugin] | None
         """Extra plugins, might be `None`."""
         dir: pathlib.Path
-        """The directory from which :func:`pytest.main` was invoked. :type: pathlib.Path"""
+        """The directory from which :func:`pytest.main` was invoked."""
 
         def __init__(
             self,
@@ -1099,8 +1099,6 @@ def __init__(
     def rootpath(self) -> pathlib.Path:
         """The path to the :ref:`rootdir <rootdir>`.
 
-        :type: pathlib.Path
-
         .. versionadded:: 6.1
         """
         return self._rootpath