Remove redundant conditional

crew

@@ -56,7 +56,7 @@ rescue Docopt::Exit => e
     puts "Could not understand \"crew #{ARGV.join(' ')}\".".lightred
     cmds = ["build", "download", "files", "help", "install", "remove", "search", "update", "upgrade", "whatprovides"]
     # Looking for similar commands
-    if ARGV.size >= 1 and not cmds.include?(ARGV[0]) then
+    if not cmds.include?(ARGV[0]) then
       similar = cmds.select {|word| edit_distance(ARGV[0], word) < 4}
       if not similar.empty? then
         puts "Did you mean?"