Remove -lpam from remoting host link command.

remoting/remoting.gyp

 # 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.
 
 {
   'variables': {
     # TODO(dmaclach): can we pick this up some other way? Right now it's
     # duplicated from chrome.gyp
     'chromium_code': 1,
 
@@ skipping 1321 matching lines @@
         'host/x_server_pixel_buffer.h',
       ],
       'conditions': [
         ['OS=="linux"', {
           'link_settings': {
             'libraries': [
               '-lX11',
               '-lXdamage',
               '-lXfixes',
               '-lXtst',
-              '-lpam',
               '-lXext'
             ],
           },
         }],
         ['toolkit_uses_gtk==1', {
           'dependencies': [
             '../build/linux/system.gyp:gtk',
           ],
         }, {  # else toolkit_uses_gtk!=1
           'sources!': [
@@ skipping 504 matching lines @@
                   '../base/allocator/allocator.gyp:allocator',
                 ],
               },
             ],
           ],
         }],
       ],  # end of 'conditions'
     },  # end of target 'remoting_unittests'
   ],  # end of targets
 }