docs: Delete more Spectrum links

Author: nickserv

.github/ISSUE_TEMPLATE.md

@@ -22,8 +22,6 @@ Thanks for your interest in the project. We appreciate bugs filed and PRs submit
   For questions related to using the library, please visit a support community
   instead of filing an issue on GitHub. You can follow the instructions in this
   codesandbox to make a reproduction of your issue: https://kcd.im/rtl-help
-  * React Spectrum
-    https://spectrum.chat/testing-library
   * Discord
     https://discord.gg/c6JN9fM
   * Stack Overflow

.github/ISSUE_TEMPLATE/Question.md

@@ -16,7 +16,6 @@ For questions related to using the library, please visit a support community
 instead of filing an issue on GitHub. You can follow the instructions in this
 codesandbox to make a reproduction of your issue: https://kcd.im/rtl-help
 
-- React Spectrum https://spectrum.chat/react-testing-library
 - Discord https://discord.gg/c6JN9fM
 - Stack Overflow
   https://stackoverflow.com/questions/tagged/react-testing-library

README.md

@@ -31,7 +31,6 @@ practices.</p>
 
 [![All Contributors](https://img.shields.io/badge/all_contributors-102-orange.svg?style=flat-square)](#contributors)
 [![PRs Welcome][prs-badge]][prs] [![Code of Conduct][coc-badge]][coc]
-[![Join the community on Spectrum][spectrum-badge]][spectrum]
 
 [![Watch on GitHub][github-watch-badge]][github-watch]
 [![Star on GitHub][github-star-badge]][github-star]
@@ -614,8 +613,6 @@ Contributions of any kind welcome!
 [package]: https://www.npmjs.com/package/@testing-library/react
 [downloads-badge]: https://img.shields.io/npm/dm/@testing-library/react.svg?style=flat-square
 [npmtrends]: http://www.npmtrends.com/@testing-library/react
-[spectrum-badge]: https://withspectrum.github.io/badge/badge.svg
-[spectrum]: https://spectrum.chat/testing-library
 [license-badge]: https://img.shields.io/npm/l/@testing-library/react.svg?style=flat-square
 [license]: https://github.com/testing-library/react-testing-library/blob/master/LICENSE
 [prs-badge]: https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square