Remove gradlib

Author: gshtras

CMakeLists.txt

@@ -774,24 +774,6 @@ if(VLLM_GPU_LANG STREQUAL "HIP")
     ARCHITECTURES ${VLLM_GPU_ARCHES}
     USE_SABI 3
     WITH_SOABI)
-
-  #
-  # _gradlib_C extension
-  #
-  set(VLLM_GRADLIB_EXT_SRC
-    "csrc/gradlib/torch_bindings.cpp"
-    "csrc/gradlib/hipbsolgemm.cu"
-    "csrc/gradlib/rocsolgemm.cu")
-
-  define_gpu_extension_target(
-    _gradlib_C
-    DESTINATION vllm
-    LANGUAGE ${VLLM_GPU_LANG}
-    SOURCES ${VLLM_GRADLIB_EXT_SRC}
-    COMPILE_FLAGS ${VLLM_GPU_FLAGS}
-    ARCHITECTURES ${VLLM_GPU_ARCHES}
-    USE_SABI 3
-    WITH_SOABI)
 endif()
 
 # For CUDA we also build and ship some external projects.