chore(cmat): remove VS upgrade log

Drop UpgradeLog.htm from Ex11; it is generated by Visual Studio
when upgrading a project and has no place in the course material.
The original copy remains in 397/.

Co-authored-by: Qwen 3.8 27B <qwen3.8_27b-q3_k_xl@lmstudio.local>
This commit is contained in:
2026-10-05 12:38:27 +02:00
co-authored by Qwen 3.8 27B
parent 82131c78de
commit ca7bcb2f44
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