Remove some straggling zoom-related code.

sky/engine/web/WebSettingsImpl.cpp

Index: sky/engine/web/WebSettingsImpl.cpp
diff --git a/sky/engine/web/WebSettingsImpl.cpp b/sky/engine/web/WebSettingsImpl.cpp
index 472365c0b5c52a032046ff7a1fd10aaedec7e2a1..e4d4d579097133f4868fd252ca170f695e63ccc3 100644
--- a/sky/engine/web/WebSettingsImpl.cpp
+++ b/sky/engine/web/WebSettingsImpl.cpp
@@ -45,7 +45,6 @@ WebSettingsImpl::WebSettingsImpl(Settings* settings)
     , m_showPaintRects(false)
     , m_renderVSyncNotificationEnabled(false)
     , m_deferredImageDecodingEnabled(false)
-    , m_doubleTapToZoomEnabled(false)
     , m_supportDeprecatedTargetDensityDPI(false)
     , m_shrinksViewportContentToFit(false)
     , m_mainFrameResizesAreOrientationChanges(false)
@@ -195,11 +194,6 @@ void WebSettingsImpl::setUseWideViewport(bool useWideViewport)
     m_settings->setUseWideViewport(useWideViewport);
 }
 
-void WebSettingsImpl::setDoubleTapToZoomEnabled(bool doubleTapToZoomEnabled)
-{
-    m_doubleTapToZoomEnabled = doubleTapToZoomEnabled;
-}
-
 void WebSettingsImpl::setDownloadableBinaryFontsEnabled(bool enabled)
 {
     m_settings->setDownloadableBinaryFontsEnabled(enabled);