Fix: Migrate properties to YAML to prevent Korean character encoding issues

axhub-tool-sms/src/main/resources/application-local.properties

@@ -23,14 +23,3 @@ mcp.security.tenant-domains.mcp-client-2=ALL
 # Gateway/Tool URLs
 axhub.gateway.url=http://localhost:8081
 axhub.tool.url=http://localhost:${server.port}
-
-# Disable Kafka
-spring.autoconfigure.exclude=org.springframework.boot.autoconfigure.kafka.KafkaAutoConfiguration
-
-# Suppress Kafka Connection Logs
-logging.level.org.apache.kafka=ERROR
-
-# MCP Function Override Test
-mcp.functions.send_sms.description=고객에게 SMS 문자를 전송합니다. (프로퍼티 오버라이드 됨)
-mcp.functions.send_sms.prompt=이 SMS 메시지 전송해줘. (프로퍼티 기반 작동)
-mcp.functions.send_sms.mappingId=SMS_SEND_001