includes/managers/class-fs-option-manager.php
function delete() {
            $option_name = $this->get_option_manager_name();

            if ( $this->_is_network_storage ) {
                delete_site_option( $option_name );
            } else if ( $this->_blog_id > 0 ) {
                delete_blog_option( $this->_blog_id, $option_name );
            } else {
                delete_option( $option_name );
            }
        }
function delete() {
            $option_name = $this->get_option_manager_name();

            if ( $this->_is_network_storage ) {
                delete_site_option( $option_name );
            } else if ( $this->_blog_id > 0 ) {
                delete_blog_option( $this->_blog_id, $option_name );
            } else {
                delete_option( $option_name );
            }
        }
function delete ( ) { $ option_name = $ this -> get_option_manager_name ( ) ; if ( $ this -> _is_network_storage ) { delete_site_option ( $ option_name ) ; } else if ( $ this -> _blog_id > 0 ) { delete_blog_option ( $ this -> _blog_id , $ option_name ) ; } else { delete_option ( $ option_name ) ; } }
Delete options manager from DB.

@author Vova Feldman (@svovaf)
@since  1.0.9
Delete options manager from DB .