Undo move deprecated_backends target to client usage

PiperOrigin-RevId: 347834087
Change-Id: I21ef7ff9b4fadcca832997191ac8516ab31bf140

tensorflow/lite/delegates/nnapi/BUILD

@@ -135,7 +135,6 @@ cc_test(
         ":nnapi_delegate_mock_test",
         "//tensorflow/lite:framework",
         "//tensorflow/lite/c:common",
-        "//tensorflow/lite/kernels:deprecated_backends",
         "//tensorflow/lite/kernels:test_util",
         "//tensorflow/lite/nnapi:nnapi_implementation",
         "//tensorflow/lite/nnapi:nnapi_lib",

tensorflow/lite/kernels/BUILD

@@ -349,9 +349,7 @@ cc_library(
         "//conditions:default": ["-DTFLITE_HAVE_CPUINFO"],
     }),
     deps = [
-        # TODO(b/168923364): Remove deprecated_backends after it is added to all
-        # necessary targets.
-        ":deprecated_backends",
+        ":deprecated_backends",  # TODO(b/168923364): Move to dependent targets.
         ":tflite_with_ruy",
         ":op_macros",
         # For now this unconditionally depends on both ruy and gemmlowp.

tensorflow/lite/python/BUILD

@@ -45,7 +45,6 @@ py_test(
     ],
     deps = [
         ":interpreter",
-        "//tensorflow/lite/kernels:deprecated_backends",
         "//tensorflow/lite/python/testdata:_pywrap_test_registerer",
         "//tensorflow/python:client_testlib",
         "//tensorflow/python:framework_test_lib",