removed pre-filled name vars

Author: dpanta94

src/Schema/Columns/Created_At.php

@@ -21,13 +21,6 @@
  * @package StellarWP\Schema\Columns
  */
 class Created_At extends Datetime_Column {
-	/**
-	 * The name of the column.
-	 *
-	 * @var string
-	 */
-	protected string $name = 'created_at';
-
 	/**
 	 * The default value of the column.
 	 *

src/Schema/Columns/Last_Changed.php

@@ -21,13 +21,6 @@
  * @package StellarWP\Schema\Columns
  */
 class Last_Changed extends Datetime_Column {
-	/**
-	 * The name of the column.
-	 *
-	 * @var string
-	 */
-	protected string $name = 'last_changed';
-
 	/**
 	 * The default value of the column.
 	 *

src/Schema/Columns/Updated_At.php

@@ -21,13 +21,6 @@
  * @package StellarWP\Schema\Columns
  */
 class Updated_At extends Datetime_Column {
-	/**
-	 * The name of the column.
-	 *
-	 * @var string
-	 */
-	protected string $name = 'updated_at';
-
 	/**
 	 * Whether the column can be null.
 	 *