Remove datatables-columns.type as we do not need it anymore

formats/datatables/Api.php

@@ -111,7 +111,7 @@ public function execute() {
 				if ( $hasMainlabel && trim( $parameters['mainlabel'] ) === '-' ) {
 					continue;
 				}
-				// match something like |?=abc |+ datatables-columns.type=number |+template=mytemplate
+				// match something like |?=abc |+template=mytemplate
 			}
 
 			// create printrequest from request mode, label, property name, output format, parameters

formats/datatables/DataTables.php

@@ -267,16 +267,6 @@ public function getParamDefinitions( array $definitions ) {
 
 		//////////////// datatables columns
 
-		// only the options whose value has a sense to
-		// use for all columns, otherwise use (for single printouts)
-		// |?printout name |+ datatables-columns.type = string
-
-		$params['datatables-columns.type'] = [
-			'type' => 'string',
-			'message' => 'srf-paramdesc-datatables-library-option',
-			'default' => '',
-		];
-
 		$params['datatables-columns.width'] = [
 			'type' => 'string',
 			'message' => 'srf-paramdesc-datatables-library-option',

formats/datatables/resources/ext.srf.formats.datatables.js

@@ -577,13 +577,9 @@
 
 			var columnDefs = [];
 			$.map(printrequests, function (property, index) {
-				// @see https://datatables.net/reference/option/columns.type
-				// value for all columns
-				if (!options.columns.type) {
-					var isNumeric = ( entityCollation === 'numeric' && property.typeid === '_wpg' )
-						||  [ '_num', '_tem', '_qty' ].indexOf(property.typeid) !== -1;
-					options.columns.type = isNumeric ? 'num' : null;
-				}
+				var isNumeric = ( entityCollation === 'numeric' && property.typeid === '_wpg' )
+					||  [ '_num', '_tem', '_qty' ].indexOf(property.typeid) !== -1;
+				options.columns.type = isNumeric ? 'num' : 'string';
 
 				columnDefs.push(
 					$.extend(