Remove dart_noopt and related parts from the VM.

runtime/BUILD.gn

 # Copyright (c) 2014, 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.
 
 declare_args() {
   # Instead of using is_debug, we introduce a different flag for specifying a
   # Debug build of Dart so that clients can still use a Release build of Dart
   # while themselves doing a Debug build.
   dart_debug = false
 
@@ skipping 208 matching lines @@
 }
 
 libdart_library("libdart") {
   extra_configs = [ ":dart_maybe_precompiled_runtime_config" ]
   extra_deps = [
     "vm:libdart_lib",
     "vm:libdart_vm",
   ]
 }
 
-libdart_library("libdart_noopt") {
-  extra_configs = [
-    ":dart_maybe_precompiled_runtime_config",
-    ":dart_precompiler_config",
-  ]
-  extra_deps = [
-    "vm:libdart_lib",
-    "vm:libdart_vm_noopt",
-  ]
-}
-
 libdart_library("libdart_precompiled_runtime") {
   extra_configs = [ ":dart_precompiled_runtime_config" ]
   extra_deps = [
     "vm:libdart_lib_precompiled_runtime",
     "vm:libdart_vm_precompiled_runtime",
   ]
 }
 
 libdart_library("libdart_nosnapshot") {
   extra_configs = [
@@ skipping 51 matching lines @@
     "third_party/double-conversion/src:libdouble_conversion",
     "vm:libdart_lib",
     "vm:libdart_lib_nosnapshot",
     "vm:libdart_vm",
     "vm:libdart_vm_nosnapshot",
   ]
   sources = [
     "vm/libdart_dependency_helper.cc",
   ]
 }