remove unnecessary ca warning

* Update host-preflight.yaml

Removing unnecessary information about trusting the ca on the host.

* Update host-preflight.yaml

---------

Co-authored-by: Alex Parker <7272359+ajp-io@users.noreply.github.com>

Author: jtuchscherer

pkg/preflights/host-preflight.yaml

@@ -443,8 +443,7 @@ spec:
                 Ensure your firewall is properly configured, and use --http-proxy,
                 --https-proxy, and --no-proxy if there is a proxy server.
                 The static IP addresses for {{ .ProxyRegistryURL }} are
-                162.159.137.43 and 162.159.138.43. If you provided a CA certificate,
-                make sure it is trusted by the system.
+                162.159.137.43 and 162.159.138.43.
           - pass:
               when: 'statusCode == 401'
               message: 'Connected to {{ .ProxyRegistryURL }}'