Simplify target generation in DistributeConfig

Currently we get the list of nodes, and for each one extract all its info, and
just to exclude it if the name matches ours. Since the list of nodes is a list
of names just use .remove() to exclude ourself from it, and use that list
directly.

Reviewed-by: iustinp

lib/config.py

@@ -544,15 +544,10 @@ class ConfigWriter:
     nodelist = self.GetNodeList()
     myhostname = self._my_hostname
 
-    tgt_list = []
-    for node in nodelist:
-      nodeinfo = self.GetNodeInfo(node)
-      if nodeinfo.name == myhostname:
-        continue
-      tgt_list.append(node)
+    nodelist.remove(myhostname)
 
-    result = rpc.call_upload_file(tgt_list, self._cfg_file)
-    for node in tgt_list:
+    result = rpc.call_upload_file(nodelist, self._cfg_file)
+    for node in nodelist:
       if not result[node]:
         logger.Error("copy of file %s to node %s failed" %
                      (self._cfg_file, node))