Remove workspace call

The #workspace call wasn't running as expected when using
the data service. It was ending up in infinite recursion.

lib/msf/core/db_manager/import/metasploit_framework/xml.rb

@@ -229,7 +229,7 @@ module Msf::DBManager::Import::MetasploitFramework::XML
   # TODO: loot, tasks, and reports
   def import_msf_xml(args={}, &block)
     data = args[:data]
-    wspace = args[:wspace] || workspace || Msf::Util::DBManager.process_opts_workspace(args, framework).name
+    wspace = args[:wspace] || Msf::Util::DBManager.process_opts_workspace(args, framework).name
     bl = validate_ips(args[:blacklist]) ? args[:blacklist].split : []
 
     doc = Nokogiri::XML::Reader.from_memory(data)