Usage:

$smcFunc['db_remove_index'](table_name, index_name, parameters, error)

Description: This function removes a index.

Parameters:

• table_name (string) the name of an existing table
• index_name (string) the name of the index to remove.
• parameters (array) deprecated as of 2.0 RC3, leave empty
• error (string) deprecated as of 2.0 RC3, leave empty

Return: (bool) true if the index is successfully removed, false if the index is not found.