Switch to deprecation logger so message is only logged once per index

Signed-off-by: Peter Nied <petern@amazon.com>

Author: peternied

server/src/main/java/org/opensearch/index/mapper/MapperService.java

@@ -262,7 +262,12 @@ public MapperService(
         this.idFieldDataEnabled = idFieldDataEnabled;
 
         if (INDEX_MAPPER_DYNAMIC_SETTING.exists(indexSettings.getSettings())) {
-            logger.warn("Setting {} was removed after version 6.0.0, its value will be ignored.", INDEX_MAPPER_DYNAMIC_SETTING.getKey());
+            deprecationLogger.deprecate(
+                index().getName() + INDEX_MAPPER_DYNAMIC_SETTING.getKey(),
+                "Index [{}] has setting [{}] that was removed after version ES 6.0.0, its value will be ignored.",
+                index().getName(),
+                INDEX_MAPPER_DYNAMIC_SETTING.getKey()
+            );
         }
     }