Remove ability to launch ephemeral apps from the app launcher.

chrome/browser/apps/ephemeral_app_launcher.cc

Index: chrome/browser/apps/ephemeral_app_launcher.cc
diff --git a/chrome/browser/apps/ephemeral_app_launcher.cc b/chrome/browser/apps/ephemeral_app_launcher.cc
index 0a17700c24dfca7ae1bb761b45c4477c69bc8138..469602ce94c57cfee1440e9f0249fcce0119fbea 100644
--- a/chrome/browser/apps/ephemeral_app_launcher.cc
+++ b/chrome/browser/apps/ephemeral_app_launcher.cc
@@ -93,13 +93,7 @@ bool CheckCommonLaunchCriteria(Profile* profile,
 
 // static
 bool EphemeralAppLauncher::IsFeatureEnabled() {
-  return app_list::switches::IsExperimentalAppListEnabled();
-}
-
-// static
-bool EphemeralAppLauncher::IsFeatureEnabledInWebstore() {
-  return IsFeatureEnabled() &&
-         base::CommandLine::ForCurrentProcess()->HasSwitch(
+  return base::CommandLine::ForCurrentProcess()->HasSwitch(
              switches::kEnableEphemeralAppsInWebstore);
 }