Fix twitter profile photo import bug

api/commenter_photo.go

@@ -26,8 +26,6 @@ func commenterPhotoHandler(w http.ResponseWriter, r *http.Request) {
 		}
 	} else if c.Provider == "github" {
 		url += "&s=38"
-	} else if c.Provider == "twitter" {
-		url += "?size=normal"
 	} else if c.Provider == "gitlab" {
 		url += "?width=38"
 	}