rm issue template since Design Manual issues follow diff formats
rm issue template since Design Manual issues follow diff formats

niqjohnson/design-manual,niqjohnson/design-manual,contolini/design-manual,marteki/design-manual,contolini/design-manual,jimmynotjim/design-manual,jimmynotjim/design-manual,contolini/design-manual,jimmynotjim/design-manual,ielerol/design-manual,niqjohnson/design-manual,jimmynotjim/design-manual,contolini/design-manual,niqjohnson/design-manual,ielerol/design-manual,marteki/design-manual,ielerol/design-manual,ielerol/design-manual,marteki/design-manual,marteki/design-manual