Remove reference to execution_info in snowflake hook docstring

[remisalmon]

This is clearing up the snowflake hook run function docstring that reference a variable that is not returned or used at all in the snowflake provider:

> git grep execution_info
airflow/providers/microsoft/azure/hooks/batch.py:                    if task.execution_info.result == batch_models.TaskExecutionResult.failure
tests/providers/microsoft/azure/hooks/test_batch.py:                    execution_info=batch_models.TaskExecutionInformation(
tests/providers/microsoft/azure/hooks/test_batch.py:                    execution_info=batch_models.TaskExecutionInformation(
tests/providers/microsoft/azure/hooks/test_batch.py:                execution_info=batch_models.TaskExecutionInformation(
tests/providers/microsoft/azure/hooks/test_batch.py:                execution_info=batch_models.TaskExecutionInformation(

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[boring-cyborg]

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[dirrao]

LGTM.

[boring-cyborg]

Awesome work, congrats on your first merged pull request! You are invited to check our Issue Tracker for additional contributions.

[potiuk]

Nice!