removed double assignments

removed double assignments for `$data` array.
Because it is assigne in Line 125:
https://github.com/Zeromax/MetaModels-attribute_translatedtabletext/blob/patch-refactoring/src/system/modules/metamodelsattribute_translatedtabletext/MetaModels/DcGeneral/Events/Table/Attribute/TranslatedTableText/TranslatedTableTextCols.php#L125