issue: remove issue toggle button
issue: remove issue toggle button

 Remove issue toggle button at issue view page for consistency

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