feat: move various config options to advanced flags (#1217)

* feat: move various config options to advanced flags

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: remove lp refs

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/partials/cilium-values-full.partial.yaml.j2

@@ -88,7 +88,7 @@ l2announcements:
   #% endif %#
 loadBalancer:
   algorithm: maglev
-  mode: "#{ bootstrap_cilium_loadbalancer_mode|default('dsr', true) }#"
+  mode: "#{ bootstrap_advanced_flags.cilium_loadbalancer_mode|default('dsr', true) }#"
 localRedirectPolicy: true
 operator:
   replicas: 1