remove other uneeded code

update submodule test

Signed-off-by: Kareem Farid <kareefardi@users.noreply.github.com>

openlane/steps/tclstep.py

@@ -161,15 +161,12 @@ def prepare_env(self, env: dict, state: State) -> dict:
             key = f"CURRENT_{input.id.upper()}"
             env[key] = TclStep.value_to_tcl(state[input])
 
-        output_names = []
         for output in self.outputs:
             if output.multiple:
                 # Too step-specific.
                 continue
             filename = f"{self.config['DESIGN_NAME']}.{output.extension}"
             env[f"SAVE_{output.id.upper()}"] = os.path.join(self.step_dir, filename)
-            output_names.append(output.id.upper())
-        env["_OUTPUT_NAMES"] = TclStep.value_to_tcl(output_names)
 
         return env