Remove unused links (home-assistant#2417)

.github/PULL_REQUEST_TEMPLATE.md

@@ -15,7 +15,7 @@
 If user exposed functionality or configuration variables are added/changed:
   - [ ] Documentation added/updated in [home-assistant.io](https://github.com/home-assistant/home-assistant.io)
 
-If code communicates with devices:
+If code communicates with devices, web services, or a:
   - [ ] Local tests with `tox` run successfully. **Your PR cannot be merged unless tests pass**
   - [ ] New dependencies have been added to the `REQUIREMENTS` variable ([example][ex-requir]).
   - [ ] New dependencies are only imported inside functions that use them ([example][ex-import]).
@@ -26,8 +26,5 @@ If the code does not interact with devices:
   - [ ] Local tests with `tox` run successfully. **Your PR cannot be merged unless tests pass**
   - [ ] Tests have been added to verify that the new code works.
 
-[fork]: http://stackoverflow.com/a/7244456
-[squash]: https://github.com/ginatrapani/todo.txt-android/wiki/Squash-All-Commits-Related-to-a-Single-Issue-into-a-Single-Commit
 [ex-requir]: https://github.com/home-assistant/home-assistant/blob/dev/homeassistant/components/keyboard.py#L16
 [ex-import]: https://github.com/home-assistant/home-assistant/blob/dev/homeassistant/components/keyboard.py#L51
-