Revert "Linux: change protobuf default option to allow building"

chrome/browser/feedback/proto/chrome.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";
 
+option optimize_for = LITE_RUNTIME;
+
 package userfeedback;
 
 // Chrome Browser and Chrome OS specific data.
 message ChromeData {
   // Encapsulates the priorities of Buganizer issues.
   enum ChromePlatform {
     CHROME_OS = 1;
     CHROME_BROWSER = 2;
   }
 
@@ skipping 32 matching lines @@
     CRASH = 6;
     EXTENSIONS_OR_APPS = 7;
     PHISHING_PAGE = 8;
     OTHER = 9;
     AUTOFILL = 10;
   }
 
   optional ChromeBrowserCategory category = 1 [default = OTHER];
 }