quartz scheduler 로그 레벨 변경: DEBUG -> Error

src/main/resources/logback-spring.xml

@@ -72,6 +72,7 @@
 	<logger name="jdbc.audit" level="OFF" additivity="false"/>
 	<logger name="com.zaxxer" level="OFF" additivity="false"/>
 	<logger name="jdbc.sqltiming" level="DEBUG" />
+	<logger name="org.quartz" level="Error" additivity="false"/>
 
     <!-- 특정패키지 로깅레벨 설정 -->
     <logger name="cokr.xit" level="DEBUG" additivity="false">