Triggers: Drop support for LogToLogService action

As per discussion on Gerrit [1], current backend behavior during
processing the `LogToLogService` trigger action doesn't comply with
Redfish specification. It has been decided to invalidate it for now,
with an option for revisiting in some future.

Related changes:
phosphor-dbus-interfaces: [2]
telemetry: [3]

Tested:
Verified that trigger with `LogToLogService` action cannot be created.
Redfish Validator scan passed.

[1] https://gerrit.openbmc.org/c/openbmc/bmcweb/+/80653/comments/fb8e05c7_ead780bb
[2] https://gerrit.openbmc.org/c/openbmc/phosphor-dbus-interfaces/+/85268
[3] https://gerrit.openbmc.org/c/openbmc/telemetry/+/85318

Change-Id: Ia292ebf3f69dfdc603f2b784f0a2f01e2d21a8f4
Signed-off-by: Michal Orzel <michalx.orzel@intel.com>
diff --git a/redfish-core/lib/trigger.hpp b/redfish-core/lib/trigger.hpp
index 0cad4ae..948597c 100644
--- a/redfish-core/lib/trigger.hpp
+++ b/redfish-core/lib/trigger.hpp
@@ -78,11 +78,6 @@
     {
         return triggers::TriggerActionEnum::RedfishEvent;
     }
-    if (dbusValue ==
-        "xyz.openbmc_project.Telemetry.Trigger.TriggerAction.LogToJournal")
-    {
-        return triggers::TriggerActionEnum::LogToLogService;
-    }
     return triggers::TriggerActionEnum::Invalid;
 }
 
@@ -96,10 +91,6 @@
     {
         return "xyz.openbmc_project.Telemetry.Trigger.TriggerAction.LogToRedfishEventLog";
     }
-    if (redfishValue == "LogToLogService")
-    {
-        return "xyz.openbmc_project.Telemetry.Trigger.TriggerAction.LogToJournal";
-    }
     return "";
 }