Commented clear_session_defaults

[fproldan]

Comente el hook on_logout que llamaba a clear_session_defaults para que no se limpie al deslogearse.

[coveralls]

Pull Request Test Coverage Report for Build 677072704

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 12 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.009%) to 54.871%

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Files with Coverage Reduction	New Missed Lines	%
/home/runner/frappe-bench/apps/frappe/frappe/utils/change_log.py	12	21.85%

Totals
Change from base Build 673912124:	-0.009%
Covered Lines:	27383
Relevant Lines:	49904

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💛 - Coveralls