config: 표준전문 레이아웃 소스를 DB로 전환 및 설정 정리

- standard-message-config.properties: layout.file.type CSV → DB,
  미사용 타행 설정(SBI/KJB/ELK) 주석 제거
- standard-message-mapping-config-djb.properties: 파일 상단 주석 제거

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/main/resources/standard-message-config.properties

@@ -1,22 +1,11 @@
 # layout : StandardMessage layout definition
 #layout.file.type=CSV
-#layout.file.type=DB
+layout.file.type=DB
-layout.file.type=CSV
-#layout.file.path=standard-layout-kjb.csv
-#layout.file.path=standard-layout-elk.csv
-layout.file.path=standard-layout-djb.csv
-#layout.filter.FLAT=com.eactive.eai.custom.message.FlatMessageFilterSBI
 layout.filter.FLAT=com.eactive.eai.message.filter.FlatMessageFilter
 # mapper : StandardMessage's fields getter/setter interface
-#mapper.class=com.eactive.eai.custom.message.InterfaceMapperSBI
-#mapper.class=com.eactive.eai.custom.message.InterfaceMapperKJB
 mapper.class=com.eactive.eai.custom.message.InterfaceMapperDJB
-#mapper.definition=standard-message-mapping-config-sbi.properties
-#mapper.definition=standard-message-mapping-config-elk.properties
-#mapper.definition=standard-message-mapping-config-kjb.properties
 mapper.definition=standard-message-mapping-config-djb.properties
 # StandardMessage Coordinator implementation
-#message.coordinator.class=com.eactive.eai.custom.message.StandardMessageCoordinatorKJB
 message.coordinator.class=com.eactive.eai.custom.message.StandardMessageCoordinatorDJB
 # RequestProcessor implementation
 #requestProcessor.class=com.eactive.eai.inbound.processor.RequestProcessor
@@ -30,7 +19,3 @@ reader.ASC=com.eactive.eai.message.parser.FlatReader
 reader.FLAT=com.eactive.eai.message.parser.FlatReader
 encode.flat=euc-kr
 encode.xml=utf-8
-#version.layout.name=VERSION_SAMPLE
-#version.layout.filter.FLAT=com.eactive.eai.message.filter.FlatMessageFilter
-#version.mapper=com.eactive.eai.message.mapper.DefaultMessageMapper
-#version.mapper.definition=version-message-mapping-config.properties

src/main/resources/standard-message-mapping-config-djb.properties

@@ -1,6 +1,3 @@
-# DJBank(제주은행) 표준전문 필드 매핑 설정
-# InterfaceMapper 논리키 = 표준전문 필드 경로
-# HEAD 영역 (평면 구조)
 GUID=HEAD.guid
 GUID_SEQ=HEAD.guid_prgs_no
 GUID_ORG=HEAD.ortr_guid