Removed db_set_charset() from Interbase driver (no longer needed)
diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php
index 17fcffa..51e814e 100644
--- a/system/database/drivers/interbase/interbase_driver.php
+++ b/system/database/drivers/interbase/interbase_driver.php
@@ -115,21 +115,6 @@
// --------------------------------------------------------------------
/**
- * Set client character set
- *
- * @param string
- * @param string
- * @return bool
- */
- public function db_set_charset($charset, $collation)
- {
- // Must be determined at connection
- return TRUE;
- }
-
- // --------------------------------------------------------------------
-
- /**
* Version number query string
*
* @return string