static removeDefaultSystem(System)
    {
        const idx = defaultSystems.indexOf(System);

        if (idx !== -1)
        {
            removeElements(defaultSystems, idx, 1);
        }
    }
/**
     * Removes a system so that it will no longer be created automatically when a renderer
     * instance is created.
     *
     * Note: Calling this function unregisters a system to be automatically added in renderers
     * that you create *after* calling this. If you call this after creating a renderer, the
     * already created renderer may contain this system automatically.
     *
     * @param {System} System - The system class to add (**not** an instance, but the class
     * itself)
     */
Removes a system so that it will no longer be created automatically when a renderer
instance is created.

Calling this function unregisters a system to be automatically added in renderers
that you create *after* calling this. If you call this after creating a renderer, the
already created renderer may contain this system automatically.

@param {System} System - The system class to add (**not** an instance, but the class
itself)
Removes a system so that it will no longer be created automatically when a renderer instance is created . Calling this function unregisters a system to be automatically added in renderers that you create * after * calling this . If you call this after creating a renderer the already created renderer may contain this system automatically . @param { System } System - The system class to add ( ** not ** an instance but the class itself )
static removeDefaultSystem(System)
    {
        const idx = defaultSystems.indexOf(System);
        if (idx !== -1)
        {
            removeElements(defaultSystems, idx, 1);
        }
    }
static removeDefaultSystem ( System ) { const idx = defaultSystems . indexOf ( System ) ; if ( idx !== - 1 ) { removeElements ( defaultSystems , idx , 1 ) ; } }
Removes a system so that it will no longer be created automatically when a renderer
 instance is created.
Removes a system so that it will no longer be created automatically when a renderer instance is created .