Clean up poppler code.

We're not actually using it.

BUG=skia:3362
DOCS_PREVIEW= https://skia.org/?cl=1002493002

Review URL: https://codereview.chromium.org/1002493002
diff --git a/gyp/common_variables.gypi b/gyp/common_variables.gypi
index bbd09a6..60dcccc 100644
--- a/gyp/common_variables.gypi
+++ b/gyp/common_variables.gypi
@@ -86,11 +86,6 @@
         }, {
           'os_posix%': 1,
         }],
-        [ 'skia_os in ["linux"]', {
-          'skia_poppler_enabled%': 1,
-        }, {
-          'skia_poppler_enabled%': 0,
-        }],
         ['"64" in skia_arch_type', {
           'skia_arch_width%': 64,
         }, {
@@ -224,7 +219,6 @@
     'skia_resource_cache_mb_limit%': '<(skia_resource_cache_mb_limit)',
     'skia_resource_cache_count_limit%': '<(skia_resource_cache_count_limit)',
     'skia_angle%': '<(skia_angle)',
-    'skia_poppler_enabled%': '<(skia_poppler_enabled)',
     'skia_arch_width%': '<(skia_arch_width)',
     'skia_arch_type%': '<(skia_arch_type)',
     'skia_chrome_utils%': '<(skia_chrome_utils)',
diff --git a/gyp/dm.gyp b/gyp/dm.gyp
index c05826b..dc75729 100644
--- a/gyp/dm.gyp
+++ b/gyp/dm.gyp
@@ -25,11 +25,6 @@
                 '../dm/DMSrcSinkAndroid.cpp',
               ],
           }],
-          ['skia_poppler_enabled', {
-              'sources':      [ '../src/utils/SkPDFRasterizer.cpp' ],
-              'defines':      [ 'SK_BUILD_POPPLER' ],
-              'dependencies': [ 'poppler.gyp:*' ],
-          }],
         ],
     }]
 }
diff --git a/gyp/freetype.gyp b/gyp/freetype.gyp
index fc528d4..ed6e97b 100644
--- a/gyp/freetype.gyp
+++ b/gyp/freetype.gyp
@@ -81,8 +81,7 @@
         'libpng.gyp:libpng',
       ],
       'includes': [
-        # common freetype sources needed for both the base Skia build and the
-        # libpoppler build for testing only
+        # TODO: merge this back in here?
         'freetype.gypi',
       ],
       'include_dirs': [
@@ -109,30 +108,5 @@
         }],
       ],
     },
-    {
-      'target_name': 'freetype_poppler',
-      'type': 'static_library',
-      'standalone_static_library': 1,
-      'includes': [
-        'freetype.gypi',
-      ],
-      'sources': [
-        # additional components used by poppler
-        '../third_party/externals/freetype/src/base/ftbdf.c',
-        '../third_party/externals/freetype/src/base/ftpfr.c',
-
-        '../third_party/externals/freetype/src/bdf/bdf.c',
-        '../third_party/externals/freetype/src/cid/type1cid.c',
-        '../third_party/externals/freetype/src/pcf/pcf.c',
-        '../third_party/externals/freetype/src/pfr/pfr.c',
-        '../third_party/externals/freetype/src/psaux/psaux.c',
-        '../third_party/externals/freetype/src/type1/type1.c',
-        '../third_party/externals/freetype/src/type42/type42.c',
-        '../third_party/externals/freetype/src/winfonts/winfnt.c',
-
-        '../third_party/externals/freetype/src/gzip/ftgzip.c',
-        '../third_party/externals/freetype/src/lzw/ftlzw.c',
-      ],
-    },
   ],
 }
diff --git a/gyp/poppler.gyp b/gyp/poppler.gyp
deleted file mode 100644
index 6b7685d..0000000
--- a/gyp/poppler.gyp
+++ /dev/null
@@ -1,15 +0,0 @@
-# Poppler, assuming it's been installed to the (Linux) system.
-{
-    'targets': [{
-        'target_name': 'poppler',
-        'type': 'none',
-        'direct_dependent_settings': {
-            'libraries': [
-                '-lpoppler-cpp',
-            ],
-            'include_dirs': [
-                '/usr/include/poppler/cpp',
-            ],
-        },
-    }],
-}