Revert "Fixed bug in HtmlSerializer output empty lines as <div></div> resulting in a line with height 0"
Revert "Fixed bug in HtmlSerializer output empty lines as <div></div> resulting in a line with height 0"

This reverts commit 041a68eb080f7e52cb7364177e784844f01e86c7.

alexjeffburke/unexpected,Munter/unexpected,bruderstein/unexpected,bruderstein/unexpected,alexjeffburke/unexpected,unexpectedjs/unexpected