fix(GlToken): use CloseButton instead of GlIcon

mentioned in commit e3afb75d

mentioned in merge request gitlab!62290 (merged)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2384 (merged)

mentioned in merge request status-page!292 (merged)

mentioned in merge request gitlab-docs!1826 (merged)

mentioned in merge request gitlab-docs!1828 (closed)

mentioned in merge request gitlab-org/gitlab-services/design.gitlab.com!2391 (merged)

mentioned in merge request status-page!296 (merged)

mentioned in merge request gitlab!62585 (merged)

mentioned in merge request gitlab-docs!1841 (merged)