Fix bazel

BUILD.bazel

@@ -1001,7 +1001,6 @@ filegroup(
         "caffe2/core/common_cudnn.cc",
         "caffe2/core/common_gpu.cc",
         "caffe2/core/event_gpu.cc",
-        "caffe2/db/create_db_op_gpu.cc",
         "caffe2/operators/communicator_op_gpu.cc",
         "caffe2/operators/concat_split_op_gpu.cc",
         "caffe2/operators/conv_op_cache_cudnn.cc",
@@ -1251,7 +1250,6 @@ cc_library(
             "caffe2/core/nomnigraph/include/nomnigraph/Support/*.h",
             "caffe2/core/nomnigraph/include/nomnigraph/Transformations/*.h",
             "caffe2/core/nomnigraph/tests/*.h",
-            "caffe2/db/*.h",
             "caffe2/ideep/*.h",
             "caffe2/ideep/operators/*.h",
             "caffe2/ideep/operators/quantization/*.h",
@@ -1323,8 +1321,6 @@ cc_library(
 cc_library(
     name = "caffe2",
     srcs = [
-        "caffe2/db/create_db_op.cc",
-        "caffe2/db/protodb.cc",
         "caffe2/share/contrib/depthwise/depthwise3x3_conv_op.cc",
         ":caffe2_core_srcs",
         ":caffe2_ideep_srcs",