Remove the "Settings" packaged app

build/common.gypi

Index: build/common.gypi
diff --git a/build/common.gypi b/build/common.gypi
index 7120836c637e8683adddc516c84a9f7cc9ae7a6e..7dace7be52c07d918f1268559cb8789d9dc0466e 100644
--- a/build/common.gypi
+++ b/build/common.gypi
@@ -970,13 +970,6 @@
           'enable_print_preview%': 1,
         }],
 
-        # Do not enable the Settings App on ChromeOS.
-        ['enable_app_list==1 and chromeos==0', {
-          'enable_settings_app%': 1,
-        }, {
-          'enable_settings_app%': 0,
-        }],
-
         # Whether tests targets should be run, archived or just have the
         # dependencies verified. All the tests targets have the '_run' suffix,
         # e.g. base_unittests_run runs the target base_unittests. The test
@@ -1242,7 +1235,6 @@
     'create_standalone_apk%': 1,
     'enable_app_list%': '<(enable_app_list)',
     'use_default_render_theme%': '<(use_default_render_theme)',
-    'enable_settings_app%': '<(enable_settings_app)',
     'google_api_key%': '<(google_api_key)',
     'google_default_client_id%': '<(google_default_client_id)',
     'google_default_client_secret%': '<(google_default_client_secret)',
@@ -2163,9 +2155,6 @@
       ['enable_app_list==1', {
         'grit_defines': ['-D', 'enable_app_list'],
       }],
-      ['enable_settings_app==1', {
-        'grit_defines': ['-D', 'enable_settings_app'],
-      }],
       ['use_concatenated_impulse_responses==1', {
         'grit_defines': ['-D', 'use_concatenated_impulse_responses'],
       }],
@@ -2947,9 +2936,6 @@
       ['enable_app_list==1', {
         'defines': ['ENABLE_APP_LIST=1'],
       }],
-      ['enable_settings_app==1', {
-        'defines': ['ENABLE_SETTINGS_APP=1'],
-      }],
       ['disable_file_support==1', {
         'defines': ['DISABLE_FILE_SUPPORT=1'],
       }],