DOC: Fix docstrings for Timestamp: tz_localize, tzname, utcfromtimestamp
Part of #59458 

Addresses:

pandas.Timestamp.tz_localize SA01
pandas.Timestamp.tzname SA01
pandas.Timestamp.utcfromtimestamp PR01,SA01

Changes:

Added See Also section to tz_localize
Added See Also and Extended sections to tzname
Added See Also, Extended and Parameters section to utcfromtimestamp
Removed all 3 from code_checks.sh
Thanks @MichaelMoyles 