Revert "Add the ops for groupwise lut quantization for embeding" (#2850)

This reverts commit df7bf37.

Author: vkuzo

torchao/experimental/CMakeLists.txt

@@ -134,7 +134,6 @@ if(TORCHAO_BUILD_ATEN_OPS)
         ops/linear_8bit_act_xbit_weight/op_linear_8bit_act_xbit_weight_aten.cpp
         ops/groupwise_lowbit_weight_lut/groupwise_lowbit_weight_lut.cpp
         ops/groupwise_lowbit_weight_lut/op_groupwise_lowbit_weight_lut_aten.cpp
-        ops/embedding_lut/op_embedding_groupwise_lowbit_lut_aten.cpp
     )
     list(TRANSFORM _torchao_op_srcs_aten PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/")
 
@@ -195,8 +194,7 @@ if(TORCHAO_BUILD_EXECUTORCH_OPS)
         ops/linear_8bit_act_xbit_weight/linear_8bit_act_xbit_weight.cpp
         ops/linear_8bit_act_xbit_weight/op_linear_8bit_act_xbit_weight_executorch.cpp
         ops/groupwise_lowbit_weight_lut/groupwise_lowbit_weight_lut.cpp
-        ops/groupwise_lowbit_weight_lut/op_groupwise_lowbit_weight_lut_executorch.cpp
-        ops/embedding_lut/op_embedding_groupwise_lowbit_lut_executorch.cpp)
+        ops/groupwise_lowbit_weight_lut/op_groupwise_lowbit_weight_lut_executorch.cpp)
 
     list(TRANSFORM _torchao_op_srcs_executorch PREPEND "${CMAKE_CURRENT_SOURCE_DIR}/")
     add_library(torchao_ops_executorch STATIC ${_torchao_op_srcs_executorch})