chore: remove unused issue tempaltes

[skip ci]

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,7 +1,10 @@
 ---
 name: Feature request
 about: Suggest an idea to improve ERPNext
+title: ''
 labels: feature-request
+assignees: ''
+
 ---
 
 <!--

.github/ISSUE_TEMPLATE/question-about-using-erpnext.md

@@ -1,17 +0,0 @@
----
-name: Question about using ERPNext
-about: This is not the appropriate channel
-labels: invalid
----
-
-Please post on our forums:
-
-for questions about using `ERPNext`: https://discuss.erpnext.com
-
-for questions about using the `Frappe Framework`: ~~https://discuss.frappe.io~~ => [stackoverflow](https://stackoverflow.com/questions/tagged/frappe) tagged under `frappe`
-
-for questions about using `bench`, probably the best place to start is the [bench repo](https://github.com/frappe/bench)
-
-For documentation issues, use the [ERPNext Documentation](https://erpnext.com/docs/) or [Frappe Framework Documentation](https://frappe.io/docs/user/en) or the [developer cheetsheet](https://github.com/frappe/frappe/wiki/Developer-Cheatsheet)
-
-> **Posts that are not bug reports or feature requests will not be addressed on this issue tracker.**