Remove unused issue templates

.github/ISSUE_TEMPLATE/bug.md

@@ -1,11 +0,0 @@
-Before opening:
-
-- [Search for duplicate or closed issues](https://github.com/twbs/bootstrap/issues?utf8=%E2%9C%93&q=is%3Aissue)
-- [Validate](https://html5.validator.nu/) and [lint](https://github.com/twbs/bootlint#in-the-browser) any HTML to avoid common problems
-- Read the [contributing guidelines](https://github.com/twbs/bootstrap/blob/v4-dev/.github/CONTRIBUTING.md)
-
-Bug reports must include:
-
-- Operating system and version (Windows, macOS, Android, iOS, Win10 Mobile)
-- Browser and version (Chrome, Firefox, Safari, IE, MS Edge, Opera 15+, Android Browser)
-- [Reduced test case](https://css-tricks.com/reduced-test-cases/) and suggested fix using [CodePen](https://codepen.io/) or [JS Bin](https://jsbin.com/)

.github/ISSUE_TEMPLATE/feature.md

@@ -1,9 +0,0 @@
-Before opening:
-
-- [Search for duplicate or closed issues](https://github.com/twbs/bootstrap/issues?utf8=%E2%9C%93&q=is%3Aissue)
-- Read the [contributing guidelines](https://github.com/twbs/bootstrap/blob/v4-dev/.github/CONTRIBUTING.md)
-
-Feature requests must include:
-
-- As much detail as possible for what we should add and why it's important to Bootstrap
-- Relevant links to prior art, screenshots, or live demos whenever possible

README.md

@@ -12,9 +12,9 @@
   <a href="https://getbootstrap.com/docs/4.5/"><strong>Explore Bootstrap docs »</strong></a>
   <br>
   <br>
-  <a href="https://github.com/twbs/bootstrap/issues/new?template=bug.md">Report bug</a>
+  <a href="https://github.com/twbs/bootstrap/issues/new?template=bug_report.md">Report bug</a>
   ·
-  <a href="https://github.com/twbs/bootstrap/issues/new?template=feature.md&labels=feature">Request feature</a>
+  <a href="https://github.com/twbs/bootstrap/issues/new?template=feature_request.md">Request feature</a>
   ·
   <a href="https://themes.getbootstrap.com/">Themes</a>
   ·