fix: Remove Scheduling Tool if exists (#17473)

* fix: scheduling tool

* fix: patch for scheduling tool

* fix: remve drop table
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 97ad26e..01270e4 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -600,3 +600,4 @@
 erpnext.patches.v11_1.set_salary_details_submittable
 erpnext.patches.v11_1.rename_depends_on_lwp
 execute:frappe.delete_doc("Report", "Inactive Items")
+erpnext.patches.v11_1.delete_scheduling_tool