Update to remove extra content

Author: purvitm-splunk

synthetics/test-config/private-locations.rst

@@ -190,10 +190,6 @@ When using runner, it's important to correctly configure the proxy settings to a
 
    - By default, the runner will set the ``NO_PROXY`` variable in the Dockerfile to include ``127.0.0.1``. If you override ``NO_PROXY``, you must ensure that ``127.0.0.1`` and ``localhost`` are still present, or browser tests may fail.
 
-4. :strong:`Startup Check`:
-   
-   - The runner includes a startup check to validate that ``NO_PROXY`` contains ``127.0.0.1`` and ``localhost``. If these are missing, you might encounter unexpected behavior in test execution.
-