Refactor drivers HP -> Ithaco

[jenshnielsen]

• Convert all drivers HP -> Ithaco to new add_parameter format.
• Don't document inherited attributes

TODO

• News fragment

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 88 lines in your changes are missing coverage. Please review.

Project coverage is 67.53%. Comparing base (10785d5) to head (c7851c9).
Report is 9 commits behind head on main.

Files	Patch %	Lines
src/qcodes/instrument_drivers/HP/HP_8753D.py	0.00%	24 Missing ⚠️
src/qcodes/instrument_drivers/HP/HP_8133A.py	0.00%	18 Missing ⚠️
src/qcodes/instrument_drivers/HP/HP_83650A.py	0.00%	18 Missing ⚠️
src/qcodes/instrument_drivers/Harvard/Decadac.py	0.00%	18 Missing ⚠️
...rc/qcodes/instrument_drivers/ithaco/Ithaco_1211.py	0.00%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6114      +/-   ##
==========================================
- Coverage   67.63%   67.53%   -0.10%     
==========================================
  Files         352      352              
  Lines       30746    30790      +44     
==========================================
  Hits        20795    20795              
- Misses       9951     9995      +44     

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