fix: remove code that causes upscrolling (#35140)

Co-authored-by: Dietmar Fischer <fischer@kk-software.de>
diff --git a/erpnext/stock/doctype/item/item.js b/erpnext/stock/doctype/item/item.js
index 9a9ddf4..6f1f981 100644
--- a/erpnext/stock/doctype/item/item.js
+++ b/erpnext/stock/doctype/item/item.js
@@ -772,12 +772,6 @@
 					if (modal) {
 						$(modal).removeClass("modal-dialog-scrollable");
 					}
-				})
-				.on("awesomplete-close", () => {
-					let modal = field.$input.parents('.modal-dialog')[0];
-					if (modal) {
-						$(modal).addClass("modal-dialog-scrollable");
-					}
 				});
 		});
 	},