example: remove the MicroPython examples

See #4347

examples/widgets/win/lv_example_win_1.py

@@ -1,36 +0,0 @@
-def event_handler(e):
-    code = e.get_code()
-    obj = e.get_target_obj()
-    if code == lv.EVENT.CLICKED:
-        print("Button {:d} clicked".format(obj.get_index()))
-
-
-win = lv.win(lv.screen_active())
-button1 = win.add_button(lv.SYMBOL.LEFT, 40)
-button1.add_event_cb(event_handler, lv.EVENT.ALL, None)
-win.add_title("A title")
-button2=win.add_button(lv.SYMBOL.RIGHT, 40)
-button2.add_event_cb(event_handler, lv.EVENT.ALL, None)
-button3 = win.add_button(lv.SYMBOL.CLOSE, 60)
-button3.add_event_cb(event_handler, lv.EVENT.ALL, None)
-
-cont = win.get_content()  # Content can be added here
-label = lv.label(cont)
-label.set_text("""This is
-a pretty
-long text
-to see how
-the window
-becomes
-scrollable.
-
-
-We need
-quite some text
-and we will
-even put
-some more
-text to be
-sure it
-overflows.
-""")