example: remove the MicroPython examples

See #4347

examples/widgets/obj/lv_example_obj_1.py

@@ -1,14 +0,0 @@
-obj1 = lv.obj(lv.screen_active())
-obj1.set_size(100, 50)
-obj1.align(lv.ALIGN.CENTER, -60, -30)
-
-style_shadow = lv.style_t()
-style_shadow.init()
-style_shadow.set_shadow_width(10)
-style_shadow.set_shadow_spread(5)
-style_shadow.set_shadow_color(lv.palette_main(lv.PALETTE.BLUE))
-
-obj2 = lv.obj(lv.screen_active())
-obj2.add_style(style_shadow, 0)
-obj2.align(lv.ALIGN.CENTER, 60, 30)
-

examples/widgets/obj/lv_example_obj_2.py

@@ -1,25 +0,0 @@
-def drag_event_handler(e):
-
-    obj = e.get_target_obj()
-
-    indev = lv.indev_active()
-
-    vect = lv.point_t()
-    indev.get_vect(vect)
-    x = obj.get_x() + vect.x
-    y = obj.get_y() + vect.y
-    obj.set_pos(x, y)
-
-
-#
-# Make an object draggable.
-#
-
-obj = lv.obj(lv.screen_active())
-obj.set_size(150, 100)
-obj.add_event_cb(drag_event_handler, lv.EVENT.PRESSING, None)
-
-label = lv.label(obj)
-label.set_text("Drag me")
-label.center()
-