SWDEV-502579 - Remove duplicated symbols (#21)

Remove duplicated compiler symbols from hip-rt. hip-rt should use symbols such as EF_AMDGPU_MACH_AMDGCN_XXX and
ELFABIVERSION_AMDGPU_HSA_VX defined in compiler header.

[ROCm/clr commit: b15c1657b8]

projects/clr/hipamd/src/hip_comgr_helper.cpp

@@ -19,13 +19,16 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 */
-
-#include "hip_comgr_helper.hpp"
+#include "llvm/BinaryFormat/ELF.h"
 #if defined(_WIN32)
 #include <io.h>
+#if defined(__has_attribute)
+// MS compiler doesn't support __has_attribute
+#undef __has_attribute
 #endif
-
-#include "../src/amd_hsa_elf.hpp"
+#endif
+#include "hip_comgr_helper.hpp"
+using namespace llvm::ELF;
 
 namespace hip {
 
@@ -60,8 +63,6 @@ struct __ClangOffloadBundleHeader {
   __ClangOffloadBundleInfo desc[1];
 };
 
-uint64_t ElfSize(const void* emi) { return amd::Elf::getElfSize(emi); }
-
 static bool getProcName(uint32_t EFlags, std::string& proc_name, bool& xnackSupported,
                         bool& sramEccSupported) {
   switch (EFlags & EF_AMDGPU_MACH) {