Get rid of version() use

Author: wchen-r7

lib/msf/core/rpc/v10/rpc_module.rb

@@ -36,7 +36,6 @@ def rpc_info(mtype, mname)
 		res['description'] = m.description
 		res['license'] = m.license
 		res['filepath'] = m.file_path
-		res['version'] = m.version
 		res['rank'] = m.rank.to_i
 
 		res['references'] = []