message: Remove the deprecation warning from core package
  This fixes the case when users get warning by just importing tensorflow.
  It is a quick fix: remove stanza that does the deprecation warning, use sed for the removal
diff: @@ -170,6 +170,23 @@ function prepare_src() {
  mv "${TMPDIR}/tensorflow" "${TMPDIR}/tensorflow_core"
  mkdir "${TMPDIR}/tensorflow"
  mv "${TMPDIR}/tensorflow_core/virtual_root.__init__.py" "${TMPDIR}/tensorflow/__init__.py"
  +
  + # In V1 API, we need to remove deprecation warnings from
  + # ${TMPDIR}/tensorflow_core/__init__.py as those exists in
  + # ${TMPDIR}/tensorflow/__init__.py which does an import* and if these don't
  + # get removed users get 6 deprecation warning just on
  + #
  + # import tensorflow as tf
  + #
  + # which is not ok. We are removing the deprecation stuff by using sed and
  + # deleting the pattern that the wrapper uses (all lines between a line ending
  + # with _deprecation_wrapper -- the import line -- and a line containing
  + # _sys.modules[__name__] as the argument of a function -- the last line in
  + # the deprecation autogenerated pattern)
  + # TODO(mihaimaruseac): When we move the API to root, remove this hack
  + sed -i \
  + "/_deprecation_wrapper$/,/_sys.modules[__name__],/ d" \
  + "${TMPDIR}/tensorflow_core/__init__.py"
  }
  function build_wheel() {
  