Display Mega Pokemon's items

I do not exactly know why this exists. My guess is that removing the
item was as a hack for reduced Knock Off damage but we don't need that
since it's handled in the calc backend

src/js/shared_controls.js

@@ -826,8 +826,6 @@ $(".forme").change(function () {
 	container.find(".ability").keyup();
 	if (startsWith($(this).val(), "Ogerpon-") && !startsWith($(this).val(), "Ogerpon-Teal")) {
 		container.find(".item").val($(this).val().split("-")[1] + " Mask").keyup();
-	} else if ($(this).val().indexOf("-Mega") !== -1 && $(this).val() !== "Rayquaza-Mega") {
-		container.find(".item").val("").keyup();
 	} else {
 		container.find(".item").prop("disabled", false);
 	}