Remove old GitHub issue template

.github/ISSUE_TEMPLATE.md

@@ -1,14 +0,0 @@
-Search before opening an issue to make sure your topic is not a duplicate. Delete this text and only include the form for this issue's type below. Please follow the formatting guidelines at https://github.com/VCVRack/Rack/issues/730
-
-## For bug reports:
-
-Operating system(s):
-Version if official Rack release, commit hash and/or branch if from source:
-
-## For feature requests:
-
-Clear everything and start writing. Please consider that the `total time saved by all users` must be greater than the `time to develop the feature`, otherwise it will be closed.
-
-## For discussions:
-
-Clear everything and start writing.