[BE] 비밀번호 마이그레이션 로직 삭제 (#386)

* chore: 서브모듈 변경사항 반영

* hotfix: 불필요한 메서드 삭제

* refactor: 로그 레벨 debug로 수정

backend/src/main/java/kr/momo/config/RoutingDataSource.java

@@ -13,7 +13,7 @@ public class RoutingDataSource extends AbstractRoutingDataSource {
     protected Object determineCurrentLookupKey() {
         boolean currentTransactionReadOnly = TransactionSynchronizationManager.isCurrentTransactionReadOnly();
         String key = currentTransactionReadOnly ? DataSourceConfig.REPLICA_SERVER : DataSourceConfig.SOURCE_SERVER;
-        log.info("Activated Datasource: {}", key);
+        log.debug("Activated Datasource: {}", key);
         return key;
     }
 }

backend/src/main/java/kr/momo/controller/attendee/AttendeeController.java

@@ -50,12 +50,4 @@ public ResponseEntity<Void> logout(@PathVariable String uuid) {
     public MomoApiResponse<List<String>> findAttendeesOfMeeting(@PathVariable String uuid) {
         return new MomoApiResponse<>(attendeeService.findAll(uuid));
     }
-
-    /**
-     * TEMP: 비밀번호 마이그레이션 이후 삭제될 메서드입니다.
-     */
-    @PostMapping("/api/v1/attendee/update-password")
-    public MomoApiResponse<Integer> updatePassword() {
-        return new MomoApiResponse<>(attendeeService.updateAllPassword());
-    }
 }

backend/src/main/java/kr/momo/service/attendee/AttendeeService.java

@@ -63,24 +63,4 @@ public List<String> findAll(String uuid) {
                 .map(Attendee::name)
                 .toList();
     }
-
-    /**
-     * TEMP: 비밀번호 마이그레이션 이후 삭제될 메서드입니다.
-     */
-    @Transactional
-    public Integer updateAllPassword() {
-        List<Attendee> attendees = attendeeRepository.findAll();
-        List<Attendee> rawAttendees = attendees.stream()
-                .filter(attendee -> attendee.getPassword().getPassword().length() < 15)
-                .toList();
-        rawAttendees.forEach(
-                attendee -> {
-                    String rawPassword = attendee.getPassword().getPassword();
-                    String encodedPassword = passwordEncoder.encode(rawPassword);
-                    attendee.updatePassword(encodedPassword);
-                }
-        );
-        attendeeRepository.saveAll(rawAttendees);
-        return rawAttendees.size();
-    }
 }