Revert 188895 "Add library paths and rlink-paths for directories..."

It broke ChromeOS (http://build.chromium.org/p/chromium.chromiumos/builders/ChromiumOS%20%28amd64%29/builds/7235/steps/BuildTarget/logs/stdio)

> Add library paths and rlink-paths for directories in the sysroot.
> 
> NOTRY=true
> TEST=Cross compiling with ld.bfd works.
> 
> Review URL: https://chromiumcodereview.appspot.com/12674012

TBR=thestig@chromium.org
Review URL: https://codereview.chromium.org/12700030

git-svn-id: http://src.chromium.org/svn/trunk/src/build@188904 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -2834,7 +2834,6 @@
                 ],
                 'ldflags': [
                   '--sysroot=<(sysroot)',
-                  '<!(<(DEPTH)/build/linux/sysroot_ld_path.sh <(sysroot))',
                 ],
               }]]
           }],

linux/sysroot_ld_path.sh

@@ -1,27 +0,0 @@
-#!/bin/sh
-# Copyright (c) 2013 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.
-
-# Reads etc/ld.so.conf.d/*.conf and returns the appropriate linker flags.
-#
-#  sysroot_ld_path.sh /abspath/to/sysroot
-#
-
-if [ $# -ne 1 ]; then
-  echo $0 /abspath/to/sysroot
-  exit 1
-fi
-
-echo $1 | grep -qs ' '
-if [ $? -eq 0 ]; then
-  echo $1 contains whitespace.
-  exit 1
-fi
-
-for entry in $(cat $1/etc/ld.so.conf.d/*.conf | grep ^/)
-do
-  entry=$1$entry
-  echo -L$entry
-  echo -Wl,-rpath-link=$entry
-done | xargs echo