Remove a few more vestiges of dartdoc.

sdk/bin/dartdoc

-#!/bin/bash
-# Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-# for details. All rights reserved. Use of this source code is governed by a
-# BSD-style license that can be found in the LICENSE file.
-
-function follow_links() {
-  file="$1"
-  while [ -h "$file" ]; do
-    # On Mac OS, readlink -f doesn't work.
-    file="$(readlink "$file")"
-  done
-  echo "$file"
-}
-
-# Unlike $0, $BASH_SOURCE points to the absolute path of this file.
-PROG_NAME="$(follow_links "$BASH_SOURCE")"
-
-# Handle the case where dart-sdk/bin has been symlinked to.
-BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
-
-unset COLORS
-if test -t 1; then
-  # Stdout is a terminal.
-  if test 8 -le `tput colors`; then
-    # Stdout has at least 8 colors, so enable colors.
-    COLORS="--enable-diagnostic-colors"
-  fi
-fi
-
-unset SNAPSHOT
-
-SNAPSHOT="$BIN_DIR/snapshots/utils_wrapper.dart.snapshot"
-
-if test -f $SNAPSHOT; then
-  # TODO(ahe): Remove the following line when we are relatively sure it works.
-  echo Using snapshot $SNAPSHOT 1>&2
-  exec "$BIN_DIR"/dart --heap_growth_rate=32 \
-      "--package-root=$BIN_DIR/../packages/" $SNAPSHOT dartdoc $COLORS \
-      "--package-root=$BIN_DIR/../packages/" "--library-root=$BIN_DIR/.." "$@"
-else
-  exec "$BIN_DIR"/dart --heap_growth_rate=32 \
-      "--package-root=$BIN_DIR/../packages/" \
-      "$BIN_DIR/../lib/_internal/dartdoc/bin/dartdoc.dart" $COLORS "$@"
-fi