Remove breaking torchrun config for single-node runs (#292)

* remove breaking torchrun config for single-node runs

Signed-off-by: Roee Landesman <[email protected]>

* fix lint

Signed-off-by: Roee Landesman <[email protected]>

---------

Signed-off-by: Roee Landesman <[email protected]>

Author: ri-roee

nemo_run/core/execution/skypilot.py

@@ -27,7 +27,6 @@
     Executor,
     ExecutorMacros,
 )
-from nemo_run.core.execution.launcher import FaultTolerance, Torchrun
 from nemo_run.core.packaging.base import Packager
 from nemo_run.core.packaging.git import GitArchivePackager
 
@@ -342,18 +341,6 @@ def macro_values(self) -> Optional[ExecutorMacros]:
             het_group_host_var=self.HET_GROUP_HOST_VAR,
         )
 
-    def _setup_launcher(self):
-        super()._setup_launcher()
-        launcher = self.launcher
-        # Dynamic rendezvous has an error in Skypilot Kubernetes currently
-        if (
-            launcher
-            and isinstance(launcher, (Torchrun, FaultTolerance))
-            and self.cloud == "kubernetes"
-        ):
-            launcher.rdzv_backend = "static"
-            launcher.rdzv_port = 49500
-
     def to_task(
         self,
         name: str,