How to Remove Spotlight Icon in Menubar
If you choose Alfred over Spotlight, it looks better without menubar icon. Paste the code below into Terminal.app and enter your admin password.
To Hide Spotlight Icon
sudo chmod 600 /System/Library/CoreServices/Search.bundle/Contents/MacOS/Search && killall SystemUIServer
To Show Spotlight Icon
sudo chmod 777 /System/Library/CoreServices/Search.bundle/Contents/MacOS/Search && killall SystemUIServer