Update readme notice about how to approach installer issues

Author: Meaghan Lewis

README.md

@@ -2,13 +2,9 @@
 
 ## Notices
 
-### VS 2017 v15.3 users, please read
+### If you are having issues with the installer, please read
 
-If you need to downgrade or uninstall the extension, **do not use** ***Revert*** in Visual Studio 2017 15.3. Instead, manually uninstall the extension with the steps listed in https://github.com/github/VisualStudio/issues/1206#issuecomment-326558902
-
-If you have a corrupted extension cache, steps for fixing it are in https://github.com/github/VisualStudio/issues/1206#issuecomment-326053090
-
-The Visual Studio 2017 15.3 installer [has a bug](https://github.com/github/VisualStudio/issues/1206) that causes a corruption of the installed extensions data when you revert an installation of the extension (see also [this MS issue](https://developercommunity.visualstudio.com/content/problem/102178/error-installing-github-extension.html)). Until VS 2017 15.4 comes out, **do not use Revert in** ***Extensions and Updates***.
+If you need to upgrade, downgrade, or uninstall the extension, refer to this issue: https://github.com/github/VisualStudio/issues/1394 which details common problems and solutions when using the installer.
 
 ### The location of the submodules has changed as of 31-01-2017