干掉关于table表头合并逻辑的特殊处理，该逻辑会导致表头合并出错#3221

Phinome merged 3 commits into

fex-team:dev-1.5.0fex-team/ueditor:dev-1.5.0from

regrex:dev-1.5.0regrex/ueditor:dev-1.5.0Copy head branch name to clipboard