Update issue templates

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,13 +7,4 @@ assignees: ''
 
 ---
 
-**Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
-
-**Describe the solution you'd like**
-A clear and concise description of what you want to happen.
-
-**Describe alternatives you've considered**
-A clear and concise description of any alternative solutions or features you've considered.
-
-**Additional information**
+<!--- Request a new feature / modification to this lib. If the request is related to a problem, please describe. -->