Removed pointless _prep_sql methods
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 79b7285..42b1b35 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -1362,4 +1362,4 @@
 }
 
 /* End of file DB_driver.php */
-/* Location: ./system/database/DB_driver.php */
+/* Location: ./system/database/DB_driver.php */
\ No newline at end of file