Remove old (dead) app list code.

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 f576cfa6dd311cb2034aa7243193692109d12903..121ca279ac42a3326c76ca4765c04347103e136d 100644
--- a/ui/app_list/app_list_switches.cc
+++ b/ui/app_list/app_list_switches.cc
@@ -11,7 +11,7 @@ namespace app_list {
 namespace switches {
 
 // Specifies the chrome-extension:// URL for the contents of an additional page
-// added to the experimental app launcher.
+// added to the app launcher.
 const char kCustomLauncherPage[] = "custom-launcher-page";
 
 // If set, the app list will not be dismissed when it loses focus. This is
@@ -60,16 +60,6 @@ bool IsVoiceSearchEnabled() {
 #endif
 }
 
-bool IsExperimentalAppListEnabled() {
-  // TODO(mgiuca): Remove this function. (https://crbug.com/531059)
-  return true;
-}
-
-bool IsCenteredAppListEnabled() {
-  // TODO(mgiuca): Remove this function. (https://crbug.com/531059)
-  return true;
-}
-
 bool ShouldNotDismissOnBlur() {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(
       kDisableAppListDismissOnBlur);