Revert "Reland - [Offload] Introduce offload-tblgen and initial new API implementation (#108413) (#117704)"

This reverts commit c979ec0.

This showed failures in the post-merge CI.

Author: frasercrmck

offload/CMakeLists.txt

@@ -351,9 +351,6 @@ add_subdirectory(tools)
 # Build target agnostic offloading library.
 add_subdirectory(src)
 
-add_subdirectory(tools/offload-tblgen)
-add_subdirectory(liboffload)
-
 # Add tests.
 add_subdirectory(test)
 

offload/cmake/OpenMPTesting.cmake

@@ -48,17 +48,6 @@ function(find_standalone_test_dependencies)
     return()
   endif()
 
-  find_program(OFFLOAD_TBLGEN_EXECUTABLE
-    NAMES offload-tblgen
-    PATHS ${OPENMP_LLVM_TOOLS_DIR})
-  if (NOT OFFLOAD_TBLGEN_EXECUTABLE)
-    message(STATUS "Cannot find 'offload-tblgen'.")
-    message(STATUS "Please put 'not' in your PATH, set OFFLOAD_TBLGEN_EXECUTABLE to its full path, or point OPENMP_LLVM_TOOLS_DIR to its directory.")
-    message(WARNING "The check targets will not be available!")
-    set(ENABLE_CHECK_TARGETS FALSE PARENT_SCOPE)
-    return()
-  endif()
-
   find_program(OPENMP_NOT_EXECUTABLE
     NAMES not
     PATHS ${OPENMP_LLVM_TOOLS_DIR})
@@ -93,7 +82,6 @@ else()
     set(OPENMP_FILECHECK_EXECUTABLE ${LLVM_RUNTIME_OUTPUT_INTDIR}/FileCheck)
   endif()
   set(OPENMP_NOT_EXECUTABLE ${LLVM_RUNTIME_OUTPUT_INTDIR}/not)
-  set(OFFLOAD_TBLGEN_EXECUTABLE ${LLVM_RUNTIME_OUTPUT_INTDIR}/offload-tblgen)
   set(OFFLOAD_DEVICE_INFO_EXECUTABLE ${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-offload-device-info)
 endif()