removed double assignments

removed double assignments for `$data` array.
I mean Line 131:
https://github.com/MetaModels/attribute_translatedtabletext/blob/7dbe75aa74a5f5da1ec9b1627664b0196fae07dd/src/system/modules/metamodelsattribute_translatedtabletext/MetaModels/DcGeneral/Events/Table/Attribute/TranslatedTableText/TranslatedTableTextCols.php#l131