Remove references to issues.

Modify code blocks to italics and reformat the layout.

Signed-off-by: Dan Schaper <dan.schaper@pi-hole.net>

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,33 +1,31 @@
 **By submitting this pull request, I confirm the following:** 
-`{please fill any appropriate checkboxes, e.g: [X]}`
+*please fill any appropriate checkboxes, e.g: [X]*
 
-- [] I have read and understood the [contributors guide](https://github.com/pi-hole/pi-hole/blob/master/CONTRIBUTING.md), as well as this entire template.
-- [] I have made only one major change in my proposed changes.
-- [] I have commented my proposed changes within the code.
-- [] I have tested my proposed changes, and have included unit tests where possible.
-- [] I am willing to help maintain this change if there are issues with it later.
-- [] I give this submission freely and claim no ownership.
-- [] It is compatible with the [EUPL 1.2 license](https://opensource.org/licenses/EUPL-1.1)
-- [] I have squashed any insignificant commits. ([`git rebase`](http://gitready.com/advanced/2009/02/10/squashing-commits-with-rebase.html))
+- [ ] I have read and understood the [contributors guide](https://github.com/pi-hole/pi-hole/blob/master/CONTRIBUTING.md), as well as this entire template.
+- [ ] I have made only one major change in my proposed changes.
+- [ ] I have commented my proposed changes within the code.
+- [ ] I have tested my proposed changes, and have included unit tests where possible.
+- [ ] I am willing to help maintain this change if there are issues with it later.
+- [ ] I give this submission freely and claim no ownership.
+- [ ] It is compatible with the [EUPL 1.2 license](https://opensource.org/licenses/EUPL-1.1)
+- [ ] I have squashed any insignificant commits. ([`git rebase`](http://gitready.com/advanced/2009/02/10/squashing-commits-with-rebase.html))
 
-Please make sure you [Sign Off](https://github.com/pi-hole/pi-hole/wiki/How-to-signoff-your-commits.) all commits. Pi-hole enforces the [DCO](https://github.com/pi-hole/pi-hole/wiki/Contributing-to-the-project)
+Please make sure you [Sign Off](https://github.com/pi-hole/pi-hole/wiki/How-to-signoff-your-commits.) all commits. Pi-hole enforces the [DCO](https://github.com/pi-hole/pi-hole/wiki/Contributing-to-the-project).
 
 ---
-
 **What does this PR aim to accomplish?:**
+*A detailed description, screenshots (if necessary), as well as links to any relevant GitHub issues*
 
-`{A detailed description, screenshots (if necessary), as well as links to any relevant GitHub issues}`
 
 **How does this PR accomplish the above?:**
+*A detailed description (such as a changelog) and screenshots (if necessary) of the implemented fix*
 
-`{A detailed description (such as a changelog) and screenshots (if necessary) of the implemented fix}`
 
 **What documentation changes (if any) are needed to support this PR?:**
+*A detailed list of any necessary changes*
 
-`{A detailed list of any necessary changes}`
-
-> * `{Please delete this quoted section when opening your pull request}`
 
-* You must follow the template instructions. Failure to do so will result in your issue being closed.
+---
+* You must follow the template instructions. Failure to do so will result in your pull request being closed.
 * Please respect that Pi-hole is developed by volunteers, who can only reply in their spare time.
-* Detail helps us understand an issue quicker, but please ensure it's relevant.
+