use debug instead of warn,error to show less log (#19646)

Author: wing328

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java

@@ -2649,11 +2649,11 @@ protected void updateModelForComposedSchema(CodegenModel m, Schema schema, Map<S
                         m.xmlName = ((Schema) innerSchema).getXml().getName();
                     }
                     if (modelDiscriminators > 1) {
-                        LOGGER.error("Allof composed schema is inheriting >1 discriminator. Only use one discriminator: {}", composed);
+                        LOGGER.debug("Allof composed schema is inheriting >1 discriminator. Only use one discriminator: {}", composed);
                     }
 
                     if (modelImplCnt++ > 1) {
-                        LOGGER.warn("More than one inline schema specified in allOf:. Only the first one is recognized. All others are ignored.");
+                        LOGGER.debug("More than one inline schema specified in allOf:. Only the first one is recognized. All others are ignored.");
                         break; // only one schema with discriminator allowed in allOf
                     }
                 }