git: openjdk/babylon: code-reflection: Now longer allow cmake builds from hat root dir

[Gary Frost]

Changeset: 01a60eeb
Branch: code-reflection
Author:    Gary Frost <gfrost at openjdk.org>
Date:      2024-07-25 12:18:52 +0000
URL:       https://git.openjdk.org/babylon/commit/01a60eebf715e844cb7819f4d3fca87ce64b1923

Now longer allow cmake builds from hat root dir

- hat/CMakeLists.txt
- hat/cmake.bash
- hat/run.bash