Revert "Session에 email도 저장해둔다. 필요할때 꺼내줄 api만들 예정"

This reverts commit 2165a4400b.

core/platformsteam.go

@@ -53,7 +53,6 @@ func (mg *Maingate) platform_steamsdk_authorize(w http.ResponseWriter, r *http.R
 		info.brinfo = brinfo
 		//info.accesstoken = respReferesh.AccessToken
 		info.accesstoken_expire_time = acceestoken_expire_time
-		info.email = ""
 		mg.setUserToken(info)
 
 		params := url.Values{}