Revert "Add support for the new function-type syntax."

.packages

 # Copyright (c) 2016, 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.
 #
 # .package file containing links to all packages in /pkg, and checked out
 # by DEPS into /third_party/pkg and /third_party/pkg_tested.
 # Please update this file if you add a package to DEPS or /pkg
 #
 analysis_server:pkg/analysis_server/lib
 analyzer:pkg/analyzer/lib
@@ skipping 16 matching lines @@
 compiler_unsupported:pkg/compiler/lib
 convert:third_party/pkg/convert/lib
 crypto:third_party/pkg/crypto/lib
 csslib:third_party/pkg/csslib/lib
 dart2js_info:third_party/pkg/dart2js_info/lib
 dart_messages:pkg/dart_messages/lib
 dart_style:third_party/pkg_tested/dart_style/lib
 dartdoc:third_party/pkg/dartdoc/lib
 dev_compiler:pkg/dev_compiler/lib
 expect:pkg/expect/lib
-fasta:pkg/fasta/lib
 fixnum:third_party/pkg/fixnum/lib
 front_end:pkg/front_end/lib
 func:third_party/pkg/func/lib
 glob:third_party/pkg/glob/lib
 html:third_party/pkg/html/lib
 http:third_party/pkg/http/lib
 http_multi_server:third_party/pkg/http_multi_server/lib
 http_parser:third_party/pkg/http_parser/lib
 http_throttle:third_party/pkg/http_throttle/lib
 initialize:third_party/pkg/initialize/lib
@@ skipping 50 matching lines @@
 typed_mock:pkg/typed_mock/lib
 unittest:third_party/pkg/unittest/lib
 usage:third_party/pkg/usage/lib
 utf:third_party/pkg/utf/lib
 watcher:third_party/pkg/watcher/lib
 web_components:third_party/pkg/web_components/lib
 web_socket_channel:third_party/pkg/web_socket_channel/lib
 when:third_party/pkg/when/lib
 which:third_party/pkg/which/lib
 yaml:third_party/pkg/yaml/lib