Merge pull request #13448 from DefinitelyTyped/improve_pr_template

Clarify pull request template.

PULL_REQUEST_TEMPLATE.md

@@ -2,17 +2,24 @@ Please fill in this template.
 
 - [ ] Make your PR against the `master` branch.
 - [ ] Use a meaningful title for the pull request. Include the name of the package modified.
-- [ ] Test the change in your own code.
+- [ ] Test the change in your own code. (Compile and run.)
 - [ ] Follow the advice from the [readme](https://github.com/DefinitelyTyped/DefinitelyTyped#make-a-pull-request).
 - [ ] Avoid [common mistakes](https://github.com/DefinitelyTyped/DefinitelyTyped#common-mistakes).
-- [ ] Run `npm run lint -- package-name` if a `tslint.json` is present.
+- [ ] Run `tsc` without errors.
+- [ ] Run `npm run lint package-name` if a `tslint.json` is present.
+
+Select one of these and delete the others:
 
 If adding a new definition:
 - [ ] The package does not provide its own types, and you can not add them.
 - [ ] If this is for an NPM package, match the name. If not, do not conflict with the name of an NPM package.
-- [ ] Run `tsc` without errors.
-- [ ] Include the required [files](https://github.com/DefinitelyTyped/DefinitelyTyped#create-a-new-package) and header. Base these on the README, *not* on an existing project.
+- [ ] Create it with `npm run new-package package-name`, not by basing it on an existing project.
 
 If changing an existing definition:
 - [ ] Provide a URL to documentation or source code which provides context for the suggested changes: <<url here>>
 - [ ] Increase the version number in the header if appropriate.
+
+If removing a declaration:
+- [ ] If a package was never on DefinitelyTyped, you don't need to do anything. (If you wrote a package and provided types, you don't need to register it with us.)
+- [ ] Delete the package's directory.
+- [ ] Add it to `notNeededPackages.json`.