remove unused

src/pymmcore_widgets/control/_stage_explorer/_stage_explorer_wip.py

@@ -326,7 +326,6 @@ def _on_sys_config_loaded(self) -> None:
 
     def _on_pixel_size_changed(self) -> None:
         """Update the stage position marker when the pixel size changes."""
-        self._stage_viewer.pixel_size = self._mmc.getPixelSizeUm()
         self._update_stage_marker()
 
     def _on_image_snapped(self) -> None:

src/pymmcore_widgets/control/_stage_explorer/_stage_viewer_wip.py

@@ -54,9 +54,6 @@ def __init__(self, parent: Optional[QWidget] = None) -> None:
         self.view = cast(ViewBox, self.canvas.central_widget.add_view())
         self.view.camera = scene.PanZoomCamera(aspect=1)
 
-        # pixel size property
-        self._pixel_size: float = 1.0
-
         # to store the displayed images scale
         self._current_scale: float = 1
 
@@ -72,7 +69,6 @@ def __init__(self, parent: Optional[QWidget] = None) -> None:
     def add_image(self, img: np.ndarray, transform: np.ndarray) -> None:
         """Add an image to the scene with the given transform."""
         frame = ImageData(img, cmap="grays", parent=self.view.scene, clim="auto")
-        frame.scale = self._pixel_size
         # keep the added image on top of the others
         frame.order = min(child.order for child in self._get_images()) - 1
         # add the image to the scene with the transform