docs: Modify README.md in alignment with SendGrid Support (#1055)

Author: garethpaul

.github/ISSUE_TEMPLATE/config.yml

@@ -28,4 +28,4 @@ A short description of what this PR does.
 - [ ] I have added the necessary documentation about the functionality in the appropriate .md file
 - [ ] I have added inline documentation to the code I modified
 
-If you have questions, please file a [support ticket](https://support.sendgrid.com), or create a GitHub Issue in this repository.
+If you have questions, please file a [support ticket](https://support.sendgrid.com).

ISSUE_TEMPLATE.md

@@ -13,9 +13,9 @@ Version 3.X.X+ of this library provides full support for all SendGrid [Web API v
 
 This library represents the beginning of a new path for SendGrid. We want this library to be community driven and SendGrid led. We need your help to realize this goal. To help make sure we are building the right things in the right order, we ask that you create [issues](https://github.com/sendgrid/sendgrid-python/issues) and [pull requests](CONTRIBUTING.md) or simply upvote or comment on existing issues or pull requests.
 
-Please browse the rest of this README for further detail.
+**If you need help using SendGrid, please check the [Twilio SendGrid Support Help Center](https://support.sendgrid.com).**
 
-We appreciate your continued support, thank you!
+Please browse the rest of this README for further detail.
 
 # Table of Contents
 
@@ -28,6 +28,7 @@ We appreciate your continued support, thank you!
 * [How to Contribute](#contribute)
 * [Troubleshooting](#troubleshooting)
 * [About](#about)
+* [Support](#support)
 * [License](#license)
 
 <a name="installation"></a>
@@ -209,9 +210,10 @@ Please see our [troubleshooting guide](TROUBLESHOOTING.md) for common library is
 
 sendgrid-python is maintained and funded by Twilio SendGrid, Inc. The names and logos for sendgrid-python are trademarks of Twilio SendGrid, Inc.
 
-If you need help installing or using the library, please check the [Twilio SendGrid Support Help Center](https://support.sendgrid.com).
+<a name="support"></a>
+# Support
 
-If you've instead found a bug in the library or would like new features added, go ahead and open issues or pull requests against this repo!
+If you need support, please check the [Twilio SendGrid Support Help Center](https://support.sendgrid.com).
 
 <a name="license"></a>
 # License

PULL_REQUEST_TEMPLATE.md

@@ -23,10 +23,6 @@ def test_code_of_conduct(self):
     def test_contributing(self):
         self.assertTrue(os.path.isfile('./CONTRIBUTING.md'))
 
-    # ./ISSUE_TEMPLATE.md
-    def test_issue_template(self):
-        self.assertTrue(os.path.isfile('./ISSUE_TEMPLATE.md'))
-
     # ./LICENSE
     def test_license(self):
         self.assertTrue(os.path.isfile('./LICENSE'))