Revert "third_party/protobuf: Update to HEAD (83d681ee2c)"

third_party/protobuf/java/compatibility_tests/v2.5.0/more_protos/src/proto/com/google/protobuf/nested_builders_test.proto

Index: third_party/protobuf/java/compatibility_tests/v2.5.0/more_protos/src/proto/com/google/protobuf/nested_builders_test.proto
diff --git a/third_party/protobuf/java/compatibility_tests/v2.5.0/more_protos/src/proto/com/google/protobuf/nested_builders_test.proto b/third_party/protobuf/java/compatibility_tests/v2.5.0/more_protos/src/proto/com/google/protobuf/nested_builders_test.proto
deleted file mode 100644
index abffb9d2ba22f44e2454539c25f5815e5cb9bfe5..0000000000000000000000000000000000000000
--- a/third_party/protobuf/java/compatibility_tests/v2.5.0/more_protos/src/proto/com/google/protobuf/nested_builders_test.proto
+++ /dev/null
@@ -1,53 +0,0 @@
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// http://code.google.com/p/protobuf/
-//
-// 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.
-
-// Author: jonp@google.com (Jon Perlow)
-//
-
-package protobuf_unittest;
-
-option java_multiple_files = true;
-option java_outer_classname = "NestedBuilders";
-
-
-message Vehicle {
-  optional Engine engine = 1;
-  repeated Wheel wheel = 2;
-}
-
-message Engine {
-  optional int32 cylinder = 1;
-  optional int32 liters = 2;
-}
-
-message Wheel {
-  optional int32 radius = 1;
-  optional int32 width = 2;
-}