docs: remove add myself to contrib table

Author: Kent C. Dodds

.github/PULL_REQUEST_TEMPLATE.md

@@ -38,6 +38,5 @@ merge of your pull request!
 - [ ] Typescript definitions updated
 - [ ] Tests
 - [ ] Ready to be merged <!-- In your opinion, is this ready to be merged as soon as it's reviewed? -->
-- [ ] Added myself to contributors table <!-- this is optional, see the contributing guidelines for instructions -->
 
 <!-- feel free to add additional comments -->