feat: JWT 인증 필터에서 검증 토큰 처리 로직 간소화

Author: fivedragon5

src/main/java/org/ject/support/common/security/jwt/JwtAuthenticationFilter.java

@@ -70,11 +70,6 @@ protected void doFilterInternal(HttpServletRequest request, HttpServletResponse
                     clearAuthCookie(response, "verificationToken");
                     SecurityContextHolder.clearContext();
                 }
-
-                String email = jwtTokenProvider.extractEmailFromVerificationToken(verificationToken);
-
-                Authentication auth = createVerificationAuthentication(email);
-                SecurityContextHolder.getContext().setAuthentication(auth);
             }
 
             chain.doFilter(request, response);