fix css_parser CVE-2026-53727

Author: grosser

gems/css_parser/CVE-2026-53727.yml

@@ -22,8 +22,6 @@ description: |
   example — is exposed. The attacker only needs the ability to land one
   @import url(...) in the CSS that the host application parses.
 cvss_v4: 8.9
-unaffected_versions:
-  - "< 2.2.0"
 patched_versions:
   - ">= 3.0.0"
 related: