Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/objectivec/GPBProtocolBuffers.h

Index: third_party/protobuf/objectivec/GPBProtocolBuffers.h
diff --git a/third_party/protobuf/objectivec/GPBProtocolBuffers.h b/third_party/protobuf/objectivec/GPBProtocolBuffers.h
deleted file mode 100644
index 0c85259ef96323f5e59c3836eafcf4ebb74cf801..0000000000000000000000000000000000000000
--- a/third_party/protobuf/objectivec/GPBProtocolBuffers.h
+++ /dev/null
@@ -1,56 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#import "GPBBootstrap.h"
-
-#import "GPBArray.h"
-#import "GPBCodedInputStream.h"
-#import "GPBCodedOutputStream.h"
-#import "GPBDescriptor.h"
-#import "GPBDictionary.h"
-#import "GPBExtensionRegistry.h"
-#import "GPBMessage.h"
-#import "GPBRootObject.h"
-#import "GPBUnknownField.h"
-#import "GPBUnknownFieldSet.h"
-#import "GPBUtilities.h"
-#import "GPBWireFormat.h"
-
-// Well-known proto types
-#import "google/protobuf/Any.pbobjc.h"
-#import "google/protobuf/Api.pbobjc.h"
-#import "google/protobuf/Duration.pbobjc.h"
-#import "google/protobuf/Empty.pbobjc.h"
-#import "google/protobuf/FieldMask.pbobjc.h"
-#import "google/protobuf/SourceContext.pbobjc.h"
-#import "google/protobuf/Struct.pbobjc.h"
-#import "google/protobuf/Timestamp.pbobjc.h"
-#import "google/protobuf/Type.pbobjc.h"
-#import "google/protobuf/Wrappers.pbobjc.h"