I18N: Merge duplicate "Column" strings, remove unnecessary context.

Props ramiy, justinahinon, garrett-eclipse, audrasjb.
Fixes #47259.
Built from https://develop.svn.wordpress.org/trunk@49541


git-svn-id: http://core.svn.wordpress.org/trunk@49279 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-editor.php

@@ -1300,8 +1300,8 @@ final class _WP_Editors {
 
 				'Row'                                  => __( 'Row' ),
 				'Rows'                                 => __( 'Rows' ),
-				'Column'                               => _x( 'Column', 'table column' ),
-				'Cols'                                 => _x( 'Cols', 'table columns' ),
+				'Column'                               => __( 'Column' ),
+				'Cols'                                 => __( 'Columns' ),
 				'Cell'                                 => _x( 'Cell', 'table cell' ),
 				'Header cell'                          => __( 'Header cell' ),
 				'Header'                               => _x( 'Header', 'table header' ),

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.6-beta3-49540';
+$wp_version = '5.6-beta3-49541';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.