remove useless ISSUE_TEMPLATE

ISSUE_TEMPLATE

@@ -1,11 +0,0 @@
-<!-- CLICK "Preview" FOR INSTRUCTIONS IN A MORE READABLE FORMAT -->
-
-**Thank you for taking your time to fill out an issue.**
-
-To make it easier to manage, can you put this issue in LessPass super project ?
-
-https://github.com/lesspass/lesspass/issues
-
-:heart: 
-
-Thanks