Removed if statement checking TransportVersion for HuggingFaceChatCompletionServiceSettings constructor with StreamInput param

Author: Jan-Kazlouski-elastic

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/services/huggingface/completion/HuggingFaceChatCompletionServiceSettings.java

@@ -99,12 +99,7 @@ public HuggingFaceChatCompletionServiceSettings(@Nullable String modelId, URI ur
     public HuggingFaceChatCompletionServiceSettings(StreamInput in) throws IOException {
         this.modelId = in.readOptionalString();
         this.uri = createUri(in.readString());
-
-        if (in.getTransportVersion().onOrAfter(TransportVersions.V_8_15_0)) {
-            this.rateLimitSettings = new RateLimitSettings(in);
-        } else {
-            this.rateLimitSettings = DEFAULT_RATE_LIMIT_SETTINGS;
-        }
+        this.rateLimitSettings = new RateLimitSettings(in);
     }
 
     @Override