use org level PR template

.github/pull_request_template.md

@@ -1,22 +0,0 @@
-## Description
-<!--- Please include a summary of the changes. --->
-
-### Screenshot
-<!--- Include screenshots if the changes are UI-related. --->
-
-### Issues Fixed or Closed
-<!--- Delete if not relevant. --->
-- Fixes #(issue)
-
-## Type of Change
-<!--- Please delete options that are not relevant. --->
-- [ ] Bug fix (non-breaking change which fixes an issue)
-- [ ] New feature (non-breaking change which adds functionality)
-- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
-
-## Checklist
-<!--- DO NOT delete any options here. It is okay to have items unchecked! --->
-- [ ] 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 added or updated the docstring/documentation-blocks for new or existing methods/components