Revert to fix build breakage.

Revert "Add A11y SUW hub page. Minor alterations of Magnification screen to be consistent wtih most recent desigs."

This reverts commit bf95133f75.

Change-Id: I4559dfdcf5c0f6eea316a190d507a3bccd195149

src/com/android/settings/accessibility/AccessibilitySettings.java

@@ -554,7 +554,6 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         }
         mToggleLargeTextPreference.setChecked(mCurConfig.fontScale == LARGE_FONT_SCALE);
 
-        // Text contrast.
         mToggleHighTextContrastPreference.setChecked(
                 Settings.Secure.getInt(getContentResolver(),
                         Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, 0) == 1);