src/vs/editor/contrib/links/links.ts/LinkDetector/cleanUpActiveLinkDecoration
class LinkDetector:	private cleanUpActiveLinkDecoration(): void {
		const useMetaKey = (this.editor.getOption(EditorOption.multiCursorModifier) === 'altKey');
		if (this.activeLinkDecorationId) {
			const occurrence = this.currentOccurrences[this.activeLinkDecorationId];
			if (occurrence) {
				this.editor.changeDecorations((changeAccessor) => {
					occurrence.deactivate(changeAccessor, useMetaKey);
				});
			}

			this.activeLinkDecorationId = null;
		}
	}