WordPress at a glance
function is not described

wp_oembed_remove_provider() WP 3.5.0

Removes an oEmbed provider.

No Hooks.

Return

true/false. Was the provider removed successfully?

Usage

wp_oembed_remove_provider( $format );
$format(string) (required)
The URL format for the oEmbed provider to remove.

Code of wp oembed remove provider: wp-includes/embed.php WP 5.2.2

<?php
function wp_oembed_remove_provider( $format ) {
	if ( did_action( 'plugins_loaded' ) ) {
		$oembed = _wp_oembed_get_object();

		if ( isset( $oembed->providers[ $format ] ) ) {
			unset( $oembed->providers[ $format ] );
			return true;
		}
	} else {
		WP_oEmbed::_remove_provider_early( $format );
	}

	return false;
}