#3010 - method impl is same as parent, removing duplicate

Author: Nacoma

src/EloquentDataTable.php

@@ -141,19 +141,6 @@ protected function isMorphRelation($relation)
         return $isMorph;
     }
 
-    protected function getColumnNameByIndex(int $index): string
-    {
-        $name = (isset($this->columns[$index]) && $this->columns[$index] != '*')
-            ? $this->columns[$index]
-            : $this->getPrimaryKeyName();
-
-        if ($name instanceof Expression) {
-            $name = $name->getValue($this->query->getGrammar());
-        }
-
-        return in_array($name, $this->extraColumns, true) ? $this->getPrimaryKeyName() : $name;
-    }
-
     /**
      * Resolve the proper column name be used.
      *