Revert "[BUGFIX] TCEforms reference non-existant CSS file resize.css"

This reverts commit 7e9c99a2.

Change-Id: I69e7e0450156a69429824ffa306064e9ba45b62b
Resolves: #33164
Releases: 4.7
Reviewed-on: http://review.typo3.org/7770
Reviewed-by: Oliver Hader
Tested-by: Oliver Hader