Revert "feat(security): ToolSecurityContext 및 KMS 복호화 공통 모듈 추가"

This reverts commit cf958622bd.

dap-tool-oth/src/main/java/io/shinhanlife/dap/mcc/biz/smp/usecase/impl/DailyQuoteToolUseCaseImpl.java

@@ -4,8 +4,6 @@ import io.shinhanlife.dap.mcc.biz.smp.dto.DailyQuoteRequest;
 import io.shinhanlife.dap.mcc.biz.smp.dto.DailyQuoteResponse;
 import io.shinhanlife.dap.mcc.biz.smp.usecase.DailyQuoteToolUseCase;
 import io.shinhanlife.dap.mcc.usecase.AbstractMcpToolUseCase;
-import io.shinhanlife.dap.lib.security.ToolSecurityContext;
-import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
@@ -28,11 +26,8 @@ import java.util.Random;
  */
 @Slf4j
 @Service
-@RequiredArgsConstructor
 public class DailyQuoteToolUseCaseImpl extends AbstractMcpToolUseCase implements DailyQuoteToolUseCase {
 
-    private final ToolSecurityContext securityContext;
-
     private final List<DailyQuoteResponse> quotes = List.of(
         new DailyQuoteResponse("성공은 매일 반복한 작은 노력들의 합이다.", "로버트 콜리어"),
         new DailyQuoteResponse("시작이 반이다.", "아리스토텔레스"),
@@ -42,11 +37,6 @@ public class DailyQuoteToolUseCaseImpl extends AbstractMcpToolUseCase implements
 
     @Override
     public DailyQuoteResponse execute(DailyQuoteRequest req) {
-        // =====================================================================
-        // 💡 4. 단 한 줄로 헤더에서 사번을 추출하고 KMS 복호화까지 완료된 값 꺼내기!
-         String userId = securityContext.getCurrentUserId();
-        // =====================================================================
-
         int index = new Random().nextInt(quotes.size());
         DailyQuoteResponse selected = quotes.get(index);