Remove contrib/imperative.

See contrib/eager for an actively developed equivalent functionality.

PiperOrigin-RevId: 168921728

CODEOWNERS

@@ -22,7 +22,6 @@
 #tensorflow/contrib/graph_editor/* @purpledog
 # NEED OWNER: tensorflow/contrib/grid_rnn/*
 #tensorflow/contrib/hvx/* @satok16
-#tensorflow/contrib/imperative/* @keveman
 #tensorflow/contrib/integrate/* @shoyer
 #tensorflow/contrib/kernel_methods/* @petrosmol
 #tensorflow/contrib/ios_examples/* @petewarden

tensorflow/BUILD

@@ -295,7 +295,6 @@ filegroup(
         "//tensorflow/contrib/hooks:all_files",
         "//tensorflow/contrib/hvx/hvx_ops_support_checker:all_files",
         "//tensorflow/contrib/image:all_files",
-        "//tensorflow/contrib/imperative:all_files",
         "//tensorflow/contrib/input_pipeline:all_files",
         "//tensorflow/contrib/input_pipeline/kernels:all_files",
         "//tensorflow/contrib/integrate:all_files",

tensorflow/contrib/BUILD

@@ -36,7 +36,6 @@ py_library(
         "//tensorflow/contrib/image:distort_image_py",
         "//tensorflow/contrib/image:image_py",
         "//tensorflow/contrib/image:single_image_random_dot_stereograms_py",
-        "//tensorflow/contrib/imperative",
         "//tensorflow/contrib/input_pipeline:input_pipeline_py",
         "//tensorflow/contrib/integrate:integrate_py",
         "//tensorflow/contrib/keras",