!5343 Delete __del__func in Profiler.

Merge pull request !5343 from yuximiao/master

mindspore/profiler/profiling.py

@@ -205,6 +205,9 @@ class Profiler:
             except (ProfilerIOException, ProfilerFileNotFoundException, RuntimeError) as err:
                 logger.warning('Fail to write timeline data: %s', err)
 
+            os.environ['PROFILING_MODE'] = str("false")
+            context.set_context(enable_profiling=False)
+
     def _analyse_step_trace(self, source_path, framework_parser):
         """
         Analyse step trace data and save the result.
@@ -275,11 +278,6 @@ class Profiler:
         timeline_analyser.write_timeline()
         timeline_analyser.write_timeline_summary()
 
-    def __del__(self):
-        """Disable the profiling collection service, called after training."""
-        os.environ['PROFILING_MODE'] = str("false")
-        context.set_context(enable_profiling=False)
-
     def _get_profiling_job_id(self):
         """Get profiling job id, which was generated by ada service.