fix/OPS-362 : 요구사항 반영#4 (#98)

Author: Kimgooner

src/main/java/org/tuna/zoopzoop/backend/domain/auth/entity/AuthResult.java

@@ -20,7 +20,7 @@ public void put(String state, String accessToken, String sessionId) {
 
     public AuthResultData get(String state) {
         AuthResultData data = redisTemplate.opsForValue().get(PREFIX + state);
-        if (data != null) redisTemplate.delete("auth:" + state);
+        if (data != null) redisTemplate.delete(PREFIX + state);
         return data;
     }
 }