Update CVE-2025-7207 notes for remove URL

Author: jasnow

rubies/mruby/CVE-2025-7207.yml

@@ -19,8 +19,7 @@ cvss_v3: 5.5
 cvss_v4: 4.4
 notes: |
   - Not patched - mruby 3.5.0 has not been released as of 2026/02/07.
-  - Found Issue #6509 listed in **unreleased** mruby 3.5
-    https://github.com/mruby/mruby/blob/6f321251785c2396cb7e6a576ac2080c1adb4491/NEWS.md file listed below.
+  - Found Issue #6509 listed in **unreleased** mruby 3.5 file listed below.
   url:
     - https://nvd.nist.gov/vuln/detail/CVE-2025-7207
     - https://github.com/mruby/mruby/blob/6f321251785c2396cb7e6a576ac2080c1adb4491/NEWS.md