Revert "[libomptarget] Build DeviceRTL for amdgpu"
 - more tests failing on CI than failed locally when writing this patch

This reverts commit 33427fdb7b52b79ce5e25b7e14e0f1a44d876bd2.

GitOrigin-RevId: 6c7b203d1d7000269215ab5b3d329ab03dc85e42
21 files changed