remove unneeded section

[mlee03]

---

name: Pull Request
about: Create a pull request to help us improve
title: ''
labels: ''

Description
This PR modifies the PR template in .github to remove the top section of this PR template.

Fixes #341

How Has This Been Tested?
This PR has been tested in my personal fork.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules
• New check tests, if applicable, are included
• make distcheck passes

[mlee03]

Respecting the one approval rule before merging, @ceblanton or @underwoo, quick approval please :)

[ilaflott]

i got dis!