Revert of Implementation of a full screen app list and re-alphabetized switches

ui/app_list/app_list_switches.cc

Index: ui/app_list/app_list_switches.cc
diff --git a/ui/app_list/app_list_switches.cc b/ui/app_list/app_list_switches.cc
index 0f6d670c07f471f659a9e57317b8a30504fe3e13..c583832888b98b9b0fdb8fb5893c7dc800f2dd4e 100644
--- a/ui/app_list/app_list_switches.cc
+++ b/ui/app_list/app_list_switches.cc
@@ -25,9 +25,6 @@
 
 // If set, the app list will be enabled as if enabled from CWS.
 const char kEnableAppList[] = "enable-app-list";
-
-// Enables the fullscreen app list.
-extern const char kEnableFullscreenAppList[] = "enable-fullscreen-app-list";
 
 // Enable/disable syncing of the app list independent of extensions.
 const char kEnableSyncAppList[] = "enable-sync-app-list";
@@ -90,10 +87,5 @@
   return !AnswerServerUrl().empty();
 }
 
-bool IsFullscreenAppListEnabled() {
-  return base::CommandLine::ForCurrentProcess()->HasSwitch(
-      kEnableFullscreenAppList);
-}
-
 }  // namespace switches
 }  // namespace app_list