refactor: 💡 Simplify cannot-connect message (#1918)

* refactor: 💡 Simplify cannot-connect message

✅ Closes: ICU-11155

* Update addons/core/translations/resources/en-us.yaml

Co-authored-by: Zhihe Li <zhihe.li@hashicorp.com>

---------

Co-authored-by: Zhihe Li <zhihe.li@hashicorp.com>

addons/core/translations/resources/en-us.yaml

@@ -553,7 +553,7 @@ target:
       description: Additional information for this target will be provided here after your session is established.
     cannot-connect:
       title: Cannot connect to {targetDisplayName}
-      description: No host sources and no target address found. Please update target with address information to connect directly. Otherwise, add at least one host to connect using host sources.
+      description: There are no host sources and no address configured for this target.
   titles:
     new: New Target
   actions: