src/vs/workbench/contrib/debug/browser/debugConfigurationManager.ts/ConfigurationManager/unregisterDebugConfigurationProvider
class ConfigurationManager:	unregisterDebugConfigurationProvider(debugConfigurationProvider: IDebugConfigurationProvider): void {
		const ix = this.configProviders.indexOf(debugConfigurationProvider);
		if (ix >= 0) {
			this.configProviders.splice(ix, 1);
		}
	}