Revert rapid7#4615, do it right this time

This reverts commit a52f491, reversing
changes made to 2f4ad97.

[See rapid7#4340]

lib/msf/ui/console/command_dispatcher/core.rb

@@ -101,9 +101,6 @@ class Core
   # Constant for disclosure date formatting in search functions
   DISCLOSURE_DATE_FORMAT = "%Y-%m-%d"
 
-  # Constant for a retry timeout on using modules before they're loaded
-  CMD_USE_TIMEOUT = 3
-
   # Returns the list of commands supported by this command dispatcher
   def commands
     {
@@ -2543,15 +2540,9 @@ def cmd_use(*args)
     mod_name = args[0]
 
     begin
-      mod = framework.modules.create(mod_name)
-      unless mod
-        # Try one more time; see #4549
-        sleep CMD_USE_TIMEOUT
-        mod = framework.modules.create(mod_name)
-        unless mod
-          print_error("Failed to load module: #{mod_name}")
-          return false
-        end
+      if ((mod = framework.modules.create(mod_name)) == nil)
+        print_error("Failed to load module: #{mod_name}")
+        return false
       end
     rescue Rex::AmbiguousArgumentError => info
       print_error(info.to_s)