Tweak the PR template

.github/PULL_REQUEST_TEMPLATE.md

@@ -7,8 +7,7 @@ Before submitting the PR make sure the following things have been done (and deno
 by checking the relevant checkboxes):
 
 - [ ] The commits are consistent with our [contribution guidelines](../blob/master/CONTRIBUTING.md)
-- [ ] You've added tests (if possible) to cover your change(s)
 - [ ] You've updated the [changelog](../blob/master/CHANGELOG.md) (if adding/changing user-visible functionality)
-- [ ] You've updated the [user manual](../blob/master/doc) (if adding/changing user-visible functionality)
+- [ ] You've updated the [user manual](../blob/master/doc) (if adding/changing user-visible functionality like modules, commands, configuration options, etc)
 
 Thanks!