Remove caffe2 distributed

BUILD.bazel

@@ -503,16 +503,6 @@ filegroup(
     ],
 )
 
-filegroup(
-    name = "caffe2_distributed_srcs",
-    srcs = [
-        "caffe2/distributed/file_store_handler.cc",
-        "caffe2/distributed/file_store_handler_op.cc",
-        "caffe2/distributed/store_handler.cc",
-        "caffe2/distributed/store_ops.cc",
-    ],
-)
-
 filegroup(
     name = "caffe2_ideep_srcs",
     srcs = [
@@ -1012,7 +1002,6 @@ filegroup(
         "caffe2/core/common_gpu.cc",
         "caffe2/core/event_gpu.cc",
         "caffe2/db/create_db_op_gpu.cc",
-        "caffe2/distributed/file_store_handler_op_gpu.cc",
         "caffe2/operators/communicator_op_gpu.cc",
         "caffe2/operators/concat_split_op_gpu.cc",
         "caffe2/operators/conv_op_cache_cudnn.cc",
@@ -1263,7 +1252,6 @@ cc_library(
             "caffe2/core/nomnigraph/include/nomnigraph/Transformations/*.h",
             "caffe2/core/nomnigraph/tests/*.h",
             "caffe2/db/*.h",
-            "caffe2/distributed/*.h",
             "caffe2/ideep/*.h",
             "caffe2/ideep/operators/*.h",
             "caffe2/ideep/operators/quantization/*.h",
@@ -1339,7 +1327,6 @@ cc_library(
         "caffe2/db/protodb.cc",
         "caffe2/share/contrib/depthwise/depthwise3x3_conv_op.cc",
         ":caffe2_core_srcs",
-        ":caffe2_distributed_srcs",
         ":caffe2_ideep_srcs",
         ":caffe2_onnx_srcs",
         ":caffe2_operators_srcs",

CMakeLists.txt

@@ -267,7 +267,6 @@ option(USE_PRECOMPILED_HEADERS "Use pre-compiled headers to accelerate build." O
 option(USE_PROF "Use profiling" OFF)
 option(USE_QNNPACK "Use QNNPACK (quantized 8-bit operators)" ON)
 option(USE_PYTORCH_QNNPACK "Use ATen/QNNPACK (quantized 8-bit operators)" ON)
-option(USE_REDIS "Use Redis" OFF)
 option(USE_SNPE "Use Qualcomm's SNPE library" OFF)
 option(USE_SYSTEM_EIGEN_INSTALL
     "Use system Eigen instead of the one under third_party" OFF)

caffe2/CMakeLists.txt

@@ -122,7 +122,6 @@ if(BUILD_CAFFE2 AND NOT INTERN_BUILD_MOBILE)
   if(USE_NVRTC)
     add_subdirectory(cuda_rtc)
   endif()
-  add_subdirectory(distributed)
   add_subdirectory(ideep)
   add_subdirectory(mobile)
   add_subdirectory(mpi)