tests/wm: remove unused arguments

Author: amezin

test/test_wm.py

@@ -435,8 +435,6 @@ def test_show(
         self,
         unmaximized_rect,
         expected_rect,
-        workarea,
-        window_size,
         window_maximize,
         window_above,
         window_stick,
@@ -526,7 +524,6 @@ def test_maximize_unmaximize(
         unmaximized_rect,
         expected_rect,
         workarea,
-        window_size,
         window_maximize,
         window_above,
         window_skip_taskbar,
@@ -581,7 +578,6 @@ def test_mouse_resize(
         window_size,
         window_size2,
         window_position,
-        window_maximize,
         window_monitor,
         monitor_config,
         extension_dbus_interface,