Simplify the pull request template (#2793)

Simplify the pull request template

Signed-off-by: Diego Lovison <diegolovison@gmail.com>

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,36 +1,20 @@
 # Pull Request Template for Kubeflow manifests Issues
 
-- Please include a summary of changes and the related issue. 
-- List any dependencies that are required for this change. 
-- Please delete the options that are not relevant.
-- The following checklist will help you to satisfy the requirements.
-
-
-
 ## ✏️ A brief description of the changes
 > I changed ...
 
 ## 📦 List any dependencies that are required for this change
 > My PR depends on #
 
-## 🐛 If this PR is related to an issue, please put the link of the issue here.
+## 🐛 If this PR is related to an issue, please put the link to the issue here.
 > The following issues are related, because ...
 
-
-
-## ✅ Unit Test Checklist
-
-  - [ ] 🛠️ Make sure you have installed kustomize == 5.2.1+     
-  - [ ] ✍️ Have you written new tests for your core changes, as applicable?      
-  - [ ] 🔄 Have you successfully run existing tests with your changes ?    
-  - [ ] 🚀 Have you successfully run existing and new tests with your changes ?
-
 ## ✅ Contributor checklist
-  - [ ] All the commits have been _signed-off_  (To pass the `DCO` check)
-  - [ ] Submit the [Contributor License Agreements](https://cla.developers.google.com/clas) (To pass the `cla/google` check)
-
+  - Make sure you have tested with kustomize. See [Installation Prerequisites](https://github.com/kubeflow/manifests#prerequisites)
+  - All the commits have been _signed-off_  (To pass the `DCO` check)
+  - Submit the [Contributor License Agreements](https://cla.developers.google.com/clas) (To pass the `cla/google` check)
 
 ---     
 
 > You can join the CNCF Slack and access our meetings at the [Kubeflow Community](https://www.kubeflow.org/docs/about/community/) website. Our channel on the CNCF Slack is here [**#kubeflow-platform**](https://app.slack.com/client/T08PSQ7BQ/C073W572LA2).
-  
+