Revert "[BUGFIX] TSConfig for fields with a dot in the name does not work"

This reverts commit c9dbea155f3793f7f39d41b5f2bcd92f04443075

The patch seems to break csc styled content in some way,
reverted for now.

Change-Id: I8f7147466ffae727b131143c4d860940a8b6796b
Related: #29461
Reviewed-on: https://review.typo3.org/19282
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn