fix http gloo bug (#39017)

python/paddle/distributed/fleet/base/role_maker.py

@@ -224,10 +224,6 @@ class Gloo(object):
             self._worker_comm = gloo
         # TODO (sandyhouse): initialize gloo for server and all
 
-        if start_http_server:
-            http_server_d["running"] = False
-            http_server.join()
-
     def _get_rank_nodes(self, role):
         nodes = 0
         rank = -1

python/paddle/fluid/incubate/fleet/base/role_maker.py

@@ -734,11 +734,6 @@ class GeneralRoleMaker(RoleMakerBase):
             self._rank = all_list.index(self._cur_endpoint)
             self._size = len(all_list)
             self._worker_endpoints = worker_endpoints
-            if self._http_server is not None:
-                # set running status to False
-                self._http_server_d["running"] = False
-                # wait until child process exits
-                self._http_server.join()
             self._role_is_generated = True
 
     def all_gather(self, input):