Delete get_python_source from Kubernetes decorator after bumping min …

…airflow version to 2.6.0 (#36426)

airflow/providers/cncf/kubernetes/decorators/kubernetes.py

@@ -17,10 +17,8 @@
 from __future__ import annotations
 
 import base64
-import inspect
 import os
 import pickle
-import textwrap
 import uuid
 from shlex import quote
 from tempfile import TemporaryDirectory
@@ -32,7 +30,6 @@
 from airflow.decorators.base import DecoratedOperator, TaskDecorator, task_decorator_factory
 from airflow.providers.cncf.kubernetes.operators.pod import KubernetesPodOperator
 from airflow.providers.cncf.kubernetes.python_kubernetes_script import (
-    remove_task_decorator,
     write_python_script,
 )
 
@@ -77,13 +74,6 @@ def __init__(self, namespace: str = "default", use_dill: bool = False, **kwargs)
             **kwargs,
         )
 
-    # TODO: Remove me once this provider min supported Airflow version is 2.6
-    def get_python_source(self):
-        raw_source = inspect.getsource(self.python_callable)
-        res = textwrap.dedent(raw_source)
-        res = remove_task_decorator(res, self.custom_operator_name)
-        return res
-
     def _generate_cmds(self) -> list[str]:
         script_filename = "/tmp/script.py"
         input_filename = "/tmp/script.in"