PR template reduce (#90)

* reduced the content

Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>

.github/pull_request_template.md

@@ -5,28 +5,16 @@ https://github.com/PegaSysEng/pantheon/blob/master/CONTRIBUTING.md#your-first-co
 https://github.com/PegaSysEng/pantheon/blob/master/CONTRIBUTING.md#pull-request-labels
 -->
 
-# PR Details
+## PR description
 
-<!--- Provide a general summary of your changes in the Title above -->
-
-## Description
-
-<!--- Describe your changes in detail -->
+<!--- Describe your changes in detail, including motivation and context -->
 
 **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
 Fixes #
 
-## Related Issue
-
-<!--- This project only accepts pull requests related to open issues -->
-<!--- If suggesting a new feature or change, please discuss it in an issue first -->
-<!--- If fixing a bug, there should be an issue describing it with steps to reproduce -->
-<!--- Please link to the issue here: -->
-
-## Motivation and Context
-
-<!--- Why is this change required? What problem does it solve? -->
+## Related Issue(s)
 
+<!--- Please link to related issue(s) here: -->
 
 ## Types of changes
 
@@ -37,8 +25,6 @@ Fixes #
 - [ ] New feature (non-breaking change which adds functionality)
 - [ ] Breaking change (fix or feature that would cause existing functionality to change)
 
-**Special notes for your reviewer**:
-
 ## Release note
 <!--  Write your release note:
 1. Enter your extended release note in the below block. If the PR requires additional action from users switching to the new release, include the string "action required".
@@ -51,11 +37,7 @@ Fixes #
 ## Prerequisites:
 <!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
 <!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
-- [ ] I have read the **CONTRIBUTING.md** document.
-- [ ] This code follows the style guidelines of this project
-- [ ] I have performed a self-review of my own code
+- [ ] I have read the **CONTRIBUTING.md** document and followed the guidelines there.
 - [ ] 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
+- [ ] I have opened an issue for corresponding changes to documentation (OR no doc changes required)
 - [ ] I have added appropriate tests that prove my change is effective
-- [ ] New and existing tests pass locally with my changes