experimental: remove old PDF benchmarking tools

gyp/experimental.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # GYP file to build experimental directory.
 {
   'targets': [
     {
       'target_name': 'experimental',
       'type': 'static_library',
       'include_dirs': [
         '../include/config',
         '../include/core',
       ],
       'sources': [
         '../experimental/SkSetPoly3To3.cpp',
         '../experimental/SkSetPoly3To3_A.cpp',
         '../experimental/SkSetPoly3To3_D.cpp',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '../experimental',
         ],
       },
     },
-    {
-      'target_name': 'multipage_pdf_profiler',
-      'type': 'executable',
-      'sources': [
-        '../experimental/tools/multipage_pdf_profiler.cpp',
-        '../experimental/tools/PageCachingDocument.cpp',
-      ],
-      'dependencies': [
-        'skia_lib.gyp:skia_lib',
-        'pdf.gyp:pdf',
-        'tools.gyp:proc_stats',
-        'tools.gyp:sk_tool_utils',
-      ],
-    },
-    {
-      'target_name': 'skp_to_pdf_md5',
-      'type': 'executable',
-      'sources': [
-        '../experimental/tools/skp_to_pdf_md5.cpp',
-        '../experimental/tools/SkDmuxWStream.cpp',
-      ],
-      'include_dirs': [
-        '../src/core',
-        '../tools/flags',
-      ],
-      'dependencies': [
-        'pdf.gyp:pdf',
-        'skia_lib.gyp:skia_lib',
-        'tools.gyp:sk_tool_utils',
-      ],
-    },
   ],
 }