git: openjdk/babylon: code-reflection: [hat] clean-up - removed duplicated sample

[Juan Fumero]

Changeset: 1cfba3b3
Branch: code-reflection
Author:    Juan Fumero <jfumero at openjdk.org>
Date:      2025-10-01 16:48:05 +0000
URL:       https://git.openjdk.org/babylon/commit/1cfba3b3a7acb15babae5b55b4b3a1eefd48d8c3

[hat] clean-up - removed duplicated sample

! hat/examples/matmul/src/main/java/matmul/Main.java
! hat/tests/src/main/java/oracle/code/hat/TestMatMul.java