Simplified PR template (#826)

.github/PULL_REQUEST_TEMPLATE.md

@@ -7,40 +7,11 @@ https://github.com/kudobuilder/kudo/blob/master/RELEASE.md
 4. If the PR is unfinished, start it as a Draft PR: https://github.blog/2019-02-14-introducing-draft-pull-requests/
 -->
 
-**What type of PR is this?**
-> Uncomment only one ` /kind <>` line, hit enter to put that in a new line, and remove leading whitespaces from that line:
->
-> /component generator
-> /component kudoctl
-> /component operator
-> /kind api-change
-> /kind bug
-> /kind cleanup
-> /kind design
-> /kind documentation
-> /kind feature
-> /kind enhancement
-> /kind infrastructure
-> /kind kep
-> /kind test
-
 **What this PR does / why we need it**:
 
-**Which issue(s) this PR fixes**:
+
 <!-- 
 *Automatically closes linked issue when PR is merged.
 Usage: `Fixes #<issue number>`, or `Fixes (paste link of issue)`.
 -->
 Fixes #
-
-**Special notes for your reviewer**:
-
-**Does this PR introduce a user-facing change?**:
-<!--  
-If no, just write "NONE" in the release-note block below.
-If yes, a release note is required:
-Enter your extended release note in the block below. If the PR requires additional action from users switching to the new release, include the string "action required".
--->
-```release-note
-
-```