typing: GObject: Fix GInterface

Author: jamiethecat

src/gi-stubs/repository/GObject.pyi

@@ -1397,7 +1397,6 @@ class GInterface(typing.Protocol):
     def get_qdata(self, *args, **kargs): ...
     def getv(
         self,
-        n_properties: int,
         names: typing.Sequence[str],
         values: typing.Sequence[typing.Any],
     ) -> None: ...
@@ -1407,9 +1406,7 @@ class GInterface(typing.Protocol):
     def handler_is_connected(self, id: int) -> bool: ...
     def handler_unblock(self, *args, **kwargs): ...
     def handler_unblock_by_func(self, *args, **kwargs): ...
-    def install_properties(
-        self, n_pspecs: int, pspecs: typing.Sequence[ParamSpec]
-    ) -> None: ...
+    def install_properties(self, pspecs: typing.Sequence[ParamSpec]) -> None: ...
     def install_property(self, property_id: int, pspec: ParamSpec) -> None: ...
     def interface_find_property(self, *args, **kargs): ...
     def interface_install_property(self, *args, **kargs): ...
@@ -1420,7 +1417,6 @@ class GInterface(typing.Protocol):
     def newv(
         cls,
         object_type: typing.Type[typing.Any],
-        n_parameters: int,
         parameters: typing.Sequence[Parameter],
     ) -> Object: ...
     def notify(self, property_name: str) -> None: ...