rgw: cleanup unused var in rgw/rgw_rest_s3.cc

Signed-off-by: Jiaying Ren <jiaying.ren@umcloud.com>

diff --git a/src/rgw/rgw_rest_s3.cc b/src/rgw/rgw_rest_s3.cc
index 7acaab32d5fa8f0b54fd5b91a563af304fdbb3a7..8b145b660c9daf9e864474698b0c0766530250e2 100644 (file)
--- a/src/rgw/rgw_rest_s3.cc
+++ b/src/rgw/rgw_rest_s3.cc
@@ -3561,8 +3561,6 @@ int RGW_Auth_S3::authorize_v4(RGWRados *store, struct req_state *s, bool force_b
     return -EPERM;
   }
 
-  string algorithm = "AWS4-HMAC-SHA256";
-
   try {
     s->aws4_auth = std::unique_ptr<rgw_aws4_auth>(new rgw_aws4_auth);
   } catch (std::bad_alloc&) {