Revert "Add alert message component and documentation"

This reverts commit 71650fff20c0ad29eb05d770736386863324b64e.

Reason for revert: Found an issue with Sass loader when compiling docs that needs to be addressed.

Change-Id: Icdd1243665f60849bfb341594452687fcdaeebe2
diff --git a/src/locales/en-US.json b/src/locales/en-US.json
index 019d546..0bf4051 100644
--- a/src/locales/en-US.json
+++ b/src/locales/en-US.json
@@ -133,7 +133,8 @@
     "password": "Password",
     "username": "Username",
     "alert": {
-      "message": "Invalid username or password"
+      "title": "Invalid username or password",
+      "action": "Try again after verifying your username and password are correct."
     }
   },
   "pageOverview": {