member-delete: fix mis-spelled function name
member-delete: fix mis-spelled function name

yona-projects/yona,doortts/forked-for-history,doortts/forked-for-history,bloodybear/yona,naver/yobi,doortts/fork-yobi,violetag/demo,brainagenet/yobi,bloodybear/yona,violetag/demo,doortts/fork-yobi,ihoneymon/yobi,doortts/fork-yobi,ahb0327/yobi,ahb0327/yobi,Limseunghwan/oss,Limseunghwan/oss,bloodybear/yona,brainagenet/yobi,doortts/forked-for-history,bloodybear/yona,brainagenet/yobi,ChangsungKim/TestRepository01,ChangsungKim/TestRepository01,Limseunghwan/oss,oolso/yobi,ihoneymon/yobi,oolso/yobi,oolso/yobi,naver/yobi,naver/yobi,yona-projects/yona,ahb0327/yobi,doortts/fork-yobi,yona-projects/yona,ihoneymon/yobi,yona-projects/yona