Linux: change protobuf default option to allow building

chrome/browser/feedback/proto/web.proto

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 syntax = "proto2";
 
 package userfeedback;
 
-option optimize_for = LITE_RUNTIME;
-
 // Data present in Web related feedbacks
 
 import "annotations.proto";
 import "dom.proto";
 import "math.proto";
 
 // Data present in feedbacks sent from web extension.
 message WebData {
   // Data captured from DOM Navigator object.
   optional Navigator navigator = 1;
@@ skipping 57 matching lines @@
 
 message ProductSpecificBinaryData {
   required string name = 1;
 
   // mime_type of data
   optional string mime_type = 2;
 
   // raw data
   optional bytes data = 3;
 };