[BUGFIX] Unused TDParams in ColumnsContentObject()

TypoScript configuration for TDParams is assigned to the PHP variable
$TDParams which is never used. The rest of the method uses $TDparams.

Change-Id: Ice8cd2ad2b4f1a8d68d62c3f2cfc4cfec3c3c210
Resolves: #54824
Releases: 6.2
Reviewed-on: https://review.typo3.org/26686
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Markus Klein
Tested-by: Markus Klein