Update PULL_REQUEST_TEMPLATE.md

Remove Netlify and Vercel checkbox as is already supported

.github/PULL_REQUEST_TEMPLATE.md

@@ -5,7 +5,6 @@
 - [x] The website is reachable.
 - [x] The CNAME record doesn't contain `https://` or `/`.  <!-- This is not required if you are not using a CNAME record. -->
 - [x] There is sufficient information at the `owner` field.
-- [x] Your website is not hosting on the following due to SSL issues: `Vercel`, `Netlify`
 
 ## Description
 <!-- Please provide a description below of what you will be using the domain for. -->