Fix typos in transport.py's open_channel method docstring

[mjkweon17]

Title: Fix typos in transport.py's init, open_session, open_channel method docstring

Description:

Changes

This PR corrects repeated words in the transport.py file. Specifically, instances of "the the window" have been corrected to "the window".

Details

• The typos were found in the docstring of the __init__, open_session, open_channel method.
• Each instance of the typo appeared in the explanation of window and packet sizes, which could potentially confuse readers or developers trying to understand the method's functionality.

Impact

• These changes improve the readability of the documentation and ensure that the information is clearly conveyed.
• No functional changes were made; this PR only involves documentation.

References

• This PR addresses the issue reported in issue Fix typo in transport.py: "the the window" repeated #2386

Tests

• No code was altered; thus, no new tests are required.
• Documentation changes do not affect the execution of the code.

Notes

• All modifications are confined to comments and docstrings; thus, they do not impact the functional aspects of the module.

fixes issue #2386