example: remove the MicroPython examples

See #4347

examples/widgets/line/lv_example_line_1.py

@@ -1,20 +0,0 @@
-# Create an array for the points of the line
-line_points = [ {"x":5, "y":5},
-                {"x":70, "y":70},
-                {"x":120, "y":10},
-                {"x":180, "y":60},
-                {"x":240, "y":10}]
-
-# Create style
-style_line = lv.style_t()
-style_line.init()
-style_line.set_line_width(8)
-style_line.set_line_color(lv.palette_main(lv.PALETTE.BLUE))
-style_line.set_line_rounded(True)
-
-# Create a line and apply the new style
-line1 = lv.line(lv.screen_active())
-line1.set_points(line_points, 5)     # Set the points
-line1.add_style(style_line, 0)
-line1.center()
-