Improve issue templates (tensorflow#478)

* Improve issue templates

.github/ISSUE_TEMPLATE/bug-performance-report.md

@@ -5,24 +5,16 @@ about: Use this template for reporting a bug or a performance issue.
 ---
 
 **System information**
-- Have I written custom code (as opposed to using a stock example script provided in TensorFlow):
 - OS Platform and Distribution (e.g., Linux Ubuntu 16.04):
-- TensorFlow installed from (source or binary):
-- TensorFlow version (use command below):
-- TensorFlow Addons installed from (source, PyPi):
-- TensorFlow Addons version:
-- Python version and type (eg. Anaconda Python, Stock Python as in Mac, or homebrew installed Python etc):
-- Bazel version (if compiling from source):
-- GCC/Compiler version (if compiling from source):
+- TensorFlow version and how it was installed (source or binary):
+- TensorFlow-Addons version and how it was installed (source or binary):
+- Python version:
 - Is GPU used? (yes/no):
-- GPU model (if used):
 
 **Describe the bug**
 
 A clear and concise description of what the bug is.
 
-**Describe the expected behavior**
-
 **Code to reproduce the issue**
 
 Provide a reproducible test case that is the bare minimum necessary to generate the problem.

.github/ISSUE_TEMPLATE/feature-request.md

@@ -4,17 +4,17 @@ about: Use this template for raising a feature request
 
 ---
 
-**System information**
-- TensorFlow version (you are using):
-- TensorFlow Addons version:
-- Is it in the tf.contrib (if so, where):
+**Describe the feature and the current behavior/state.**
+
+**Relevant information**
 - Are you willing to contribute it (yes/no):
 - Are you willing to maintain it going forward? (yes/no):
+- Is there a relevant academic paper? (if so, where):
+- Is there already an implementation in another framework? (if so, where):
+- Was it part of tf.contrib? (if so, where):
 
-**Describe the feature and the current behavior/state.**
-
-**Will this change the current api? How?**
+**Which API type would this fall under (layer, metric, optimizer, etc.)**
 
 **Who will benefit with this feature?**
 
-**Any Other info.**
+**Any other info.**