minor #16972 [2.7][Console] Table: fix some PhpDoc (ogizanagi)

This PR was merged into the 2.7 branch.

Discussion
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[2.7][Console] Table: fix some PhpDoc

| Q             | A
| ------------- | ---
| Fixed tickets | n/a
| License       | MIT

Commits
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1eaef57 [2.7][Console] Table: fix some PhpDoc

src/Symfony/Component/Console/Helper/Table.php

@@ -332,7 +332,7 @@ class Table
             $columns[] = $this->getNumberOfColumns($row);
         }
 
-        return $this->numberOfColumns = max($columns);
+        $this->numberOfColumns = max($columns);
     }
 
     private function buildTableRows($rows)
@@ -487,7 +487,7 @@ class Table
      *
      * @param array $row
      *
-     * @return array()
+     * @return array
      */
     private function getRowColumns($row)
     {
@@ -529,8 +529,6 @@ class Table
     /**
      * Gets column width.
      *
-     * @param int $column
-     *
      * @return int
      */
     private function getColumnSeparatorWidth()