Remove flag to hide shelf alignment

ash/ash_switches.cc

Index: ash/ash_switches.cc
diff --git a/ash/ash_switches.cc b/ash/ash_switches.cc
index 12413446f0e3577989c3666cdf1b1e6df85c615c..aa52082e97655f0ecea1ddb8bfa725d2c5998702 100644
--- a/ash/ash_switches.cc
+++ b/ash/ash_switches.cc
@@ -206,10 +206,6 @@ const char kForceAshToDesktop[] = "ash-force-desktop";
 
 #endif
 
-// Flags explicitly show or hide the shelf alignment menu.
-const char kShowShelfAlignmentMenu[] = "show-launcher-alignment-menu";
-const char kHideShelfAlignmentMenu[] = "hide-launcher-alignment-menu";
-
 bool UseAlternateFrameCaptionButtonStyle() {
   // For the sake of simplicity, the alternate caption button style is only
   // used if snapped windows are always 50% of the screen's width.
@@ -233,11 +229,6 @@ bool UseImmersiveFullscreenForAllWindows() {
       kAshEnableImmersiveFullscreenForBrowserOnly);
 }
 
-bool ShowShelfAlignmentMenu() {
-  return !CommandLine::ForCurrentProcess()->
-      HasSwitch(kHideShelfAlignmentMenu);
-}
-
 bool UseMultiUserTray() {
 #if defined(OS_CHROMEOS)
   // TODO(skuhne): If this gets removed for good, remove also