Deleted gl.gyp that had duplicate ppapi_egl target.

ppapi/ppapi_tests.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
      {
       'target_name': 'ppapi_example',
       'dependencies': [
         'ppapi.gyp:ppapi_cpp'
@@ skipping 300 matching lines @@
           'sources': [
             'examples/font/simple_font.cc',
           ],
         },
         {
           'target_name': 'ppapi_example_gles2',
           'dependencies': [
             'ppapi_example_skeleton',
             'ppapi.gyp:ppapi_cpp',
             'ppapi.gyp:ppapi_gles2',
-            'lib/gl/gl.gyp:ppapi_egl',
+            'ppapi.gyp:ppapi_egl',
           ],
           'include_dirs': [
             'lib/gl/include',
           ],
           'sources': [
             'examples/gles2/gles2.cc',
             'examples/gles2/testdata.h',
           ],
         },
       ],
     }]
   ]
 }