Bug 847823 - Obsolete Android pref in Metro; r=mbrubeck

browser/metro/profile/metro.js

@@ -475,12 +475,6 @@ pref("ui.dragThresholdY", 50);
 // prevent tooltips from showing up
 pref("browser.chrome.toolbar_tips", false);
 
-//  0: don't show fullscreen keyboard
-//  1: always show fullscreen keyboard
-// -1: show fullscreen keyboard based on threshold pref
-pref("widget.ime.android.landscape_fullscreen", -1);
-pref("widget.ime.android.fullscreen_threshold", 250); // in hundreths of inches
-
 // Completely disable pdf.js as an option to preview pdfs within firefox.
 // Note: if this is not disabled it does not necessarily mean pdf.js is the pdf
 // handler just that it is an option.