Remove redundant 'String.toString()'
Remove redundant 'String.toString()'

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