Remove community health files so that defaults from roots/.github are used

.github/CONTRIBUTING.md

@@ -1 +0,0 @@
-Please read [Contributing to Roots Projects](https://github.com/roots/guidelines/blob/master/CONTRIBUTING.md)

.github/ISSUE_TEMPLATE.md

@@ -1,62 +0,0 @@
-## Submit a feature request or bug report
-
-- [ ] I've read the [guidelines for Contributing to Roots Projects](https://github.com/roots/guidelines/blob/master/CONTRIBUTING.md)
-- [ ] This is a feature request
-- [ ] This is a bug report
-- [ ] This request isn't a duplicate of an [existing issue](https://github.com/roots/sage/issues)
-- [ ] I've read the [docs](https://roots.io/sage/docs) and [NPM Debugging Guidelines post](https://discourse.roots.io/t/npm-debugging-guidelines-failed-npm-install-bower-install-or-gulp-build-read-this/3060) and followed them (if applicable)
-- [ ] This is not a personal support request that should be posted on the [Roots Discourse](https://discourse.roots.io/c/sage) forums
-
-<!-- Replace any `X` with your information. -->
-
----
-
-**What is the current behavior?**
-
-X
-
-
-**What is the expected or desired behavior?**
-
-X
-
----
-
-## Bug report
-
-<!-- (delete this section if not applicable) -->
-
-**Please provide steps to reproduce, including full log output:**
-
-X
-
-**Please describe your local environment:**
-
-WordPress version: X
-
-OS: X
-
-NPM/Node version: X
-
-**Where did the bug happen? Development or remote servers?**
-
-X
-
-
-**Is there a related [Discourse](https://discourse.roots.io/) thread or were any utilized (please link them)?**
-
-X
-
----
-
-## Feature Request
-
-<!-- (delete this section if not applicable) -->
-
-**Please provide use cases for changing the current behavior:**
-
-X
-
-**Other relevant information:**
-
-X