Do not log error in AiServiceMethodImplementationSupport

The error is thrown anyway and handled by the error handler.
Logging here makes the error logged twice in your typical REST setup
(and probably any setup).

Fixes #863

core/runtime/src/main/java/io/quarkiverse/langchain4j/runtime/aiservice/AiServiceMethodImplementationSupport.java

@@ -117,7 +117,6 @@ public Object implement(Input input) {
             }
             return result;
         } catch (Exception e) {
-            log.errorv(e, "Execution of {0}#{1} failed", createInfo.getInterfaceName(), createInfo.getMethodName());
             if (audit != null) {
                 audit.onFailure(e);
                 auditService.complete(audit);