Evas textblock: Fix bug with removing formats, format removal should stop at 'end' non-inclusive, just like text removal works.
Evas textblock: Fix bug with removing formats, format removal should stop at 'end' non-inclusive, just like text removal works.

git-svn-id: 6d771e449150288cc513807b7f4d2af31e9482bd@53068 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

nashidau/Evas-Next,TizenChameleon/evas,TizenChameleon/uifw-evas,TizenChameleon/uifw-evas,TizenChameleon/evas,nashidau/Evas-Next,TizenChameleon/uifw-evas,TizenChameleon/uifw-evas,TizenChameleon/evas,TizenChameleon/evas,nashidau/Evas-Next