removeSpanWithChildren(spanID) {
		const span = this.spans[spanID];
		if (span) {
			if (span.children && span.children.length > 0) {
				span.children.forEach(child => this.removeSpanWithChildren(child));
			}
			delete this.spans[spanID];
		}
	}
Remove a finished span with children.

@param {String} spanID
@memberof ConsoleTraceExporter