Delete Trustcom 2026 (#1378)

网址错误，此信息并非Trustcom 2026

Author: Lukangkang123

conference/SC/trustcom.yml

@@ -24,11 +24,3 @@
       timezone: UTC+8
       date: November 14 - 17, 2025
       place: Guiyang, China
-    - year: 2026
-      id: trustcom26
-      link: https://collaboratecom.eai-conferences.org/2026/
-      timeline:
-        - deadline: '2026-05-01 23:59:59'
-      timezone: UTC+8
-      date: November 14 - 15, 2026
-      place: Hong Kong SAR, China