Streamline PR template (#2046)

* Minor refactor PR template

Author: seanpmorgan

.github/pull_request_template.md

@@ -1,43 +1,25 @@
 # Description
 
-Please include a summary of the change and which issue is fixed. 
+Brief Description of the PR:
 
 Fixes # (issue)
 
 ## Type of change
 
-
 - [ ] Bug fix
 - [ ] New Tutorial
 - [ ] Updated or additional documentation
 - [ ] Additional Testing
-- [ ] New Activation (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/activations/README.md#contribution-guidelines)
-- [ ] New Callback (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/callbacks/README.md#contribution-guidelines)
-- [ ] New Image addition (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/image/README.md#contribution-guidelines)
-- [ ] New Layer (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/layers/README.md#contribution-guidelines)
-- [ ] New Loss (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/losses/README.md#contribution-guidelines)
-- [ ] New Metric (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/metrics/README.md#contribution-guidelines)
-- [ ] New Optimizer (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/optimizers/README.md#contribution-guidelines)
-- [ ] New RNN Cell (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/rnn/README.md#contribution-guidelines)
-- [ ] New Seq2seq addition (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/seq2seq/README.md#contribution-guidelines)
-- [ ] New Text addition (Requires creating an issue first)
-    - [ ] The changes conform to the [contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/text/README.md#contribution-guidelines)
-
-
-# How Has This Been Tested?
-
-If you're adding a bugfix or new feature please describe the tests that you ran to verify your changes:
-*  
-
+- [ ] New Activation and the changes conform to the [activation contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/activations/README.md#contribution-guidelines)
+- [ ] New Callback and the changes conform to the [callback contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/callbacks/README.md#contribution-guidelines)
+- [ ] New Image addition and the changes conform to the [image op contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/image/README.md#contribution-guidelines)
+- [ ] New Layer and the changes conform to the [layer contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/layers/README.md#contribution-guidelines)
+- [ ] New Loss and the changes conform to the [loss contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/losses/README.md#contribution-guidelines)
+- [ ] New Metric and the changes conform to the [metric contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/metrics/README.md#contribution-guidelines)
+- [ ] New Optimizer and the changes conform to the [optimizer contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/optimizers/README.md#contribution-guidelines)
+- [ ] New RNN Cell and the changes conform to the [rnn contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/rnn/README.md#contribution-guidelines)
+- [ ] New Seq2seq addition and the changes conform to the [seq2seq contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/seq2seq/README.md#contribution-guidelines)
+- [ ] New Text addition and the changes conform to the [text op contribution guidelines](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/text/README.md#contribution-guidelines)
 
 # Checklist:
 
@@ -48,3 +30,8 @@ If you're adding a bugfix or new feature please describe the tests that you ran
 - [ ] I have made corresponding changes to the documentation
 - [ ] I have added tests that prove my fix is effective or that my feature works
 - [ ] This PR contains modifications to C++ custom-ops
+
+# How Has This Been Tested?
+
+If you're adding a bugfix or new feature please describe the tests that you ran to verify your changes:
+*