Revert "Switch FE to use the libraries.json format."

pkg/front_end/lib/src/fasta/fasta_codes_generated.dart

Index: pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
diff --git a/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart b/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
index cb7c60b9ff1ce521880b28b65e48e73390fdee2d..505f593abaa7b2f573ee9ec65fc0a3dd1c191796 100644
--- a/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
+++ b/pkg/front_end/lib/src/fasta/fasta_codes_generated.dart
@@ -201,29 +201,6 @@ Message _withArgumentsCannotReadPackagesFile(String string) {
   $string.""", arguments: {'string': string});
 }
 
-// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-const Template<Message Function(String string)>
-    templateCannotReadSdkSpecification =
-    const Template<Message Function(String string)>(
-        messageTemplate:
-            r"""Unable to read the 'libraries.json' specification file:
-  #string.""",
-        withArguments: _withArgumentsCannotReadSdkSpecification);
-
-// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-const Code<Message Function(String string)> codeCannotReadSdkSpecification =
-    const Code<Message Function(String string)>(
-  "CannotReadSdkSpecification",
-  templateCannotReadSdkSpecification,
-);
-
-// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-Message _withArgumentsCannotReadSdkSpecification(String string) {
-  return new Message(codeCannotReadSdkSpecification,
-      message: """Unable to read the 'libraries.json' specification file:
-  $string.""", arguments: {'string': string});
-}
-
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Null> codeCantInferPackagesFromManyInputs =
     messageCantInferPackagesFromManyInputs;
@@ -2512,34 +2489,6 @@ Message _withArgumentsSdkRootNotFound(Uri uri_) {
       arguments: {'uri': uri_});
 }
 
-// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-const Template<
-    Message Function(
-        Uri
-            uri_)> templateSdkSpecificationNotFound = const Template<
-        Message Function(Uri uri_)>(
-    messageTemplate: r"""SDK libraries specification not found: #uri.""",
-    tipTemplate:
-        r"""Normally, the specification is a file named 'libraries.json' in the Dart SDK install location.""",
-    withArguments: _withArgumentsSdkSpecificationNotFound);
-
-// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-const Code<Message Function(Uri uri_)> codeSdkSpecificationNotFound =
-    const Code<Message Function(Uri uri_)>(
-  "SdkSpecificationNotFound",
-  templateSdkSpecificationNotFound,
-);
-
-// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
-Message _withArgumentsSdkSpecificationNotFound(Uri uri_) {
-  String uri = relativizeUri(uri_);
-  return new Message(codeSdkSpecificationNotFound,
-      message: """SDK libraries specification not found: $uri.""",
-      tip:
-          """Normally, the specification is a file named 'libraries.json' in the Dart SDK install location.""",
-      arguments: {'uri': uri_});
-}
-
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Template<Message Function(Uri uri_)> templateSdkSummaryNotFound =
     const Template<Message Function(Uri uri_)>(