core: Remove print_attribute_dictionary in favour of print_op_attributes

[AntonLydike]

Stacked on top of #1170

This removes the print_attribute_dictionary method from the printer in favor of the print_op_attribute method already used by the default format.

[codecov]

Codecov Report

Patch coverage: 75.00% and project coverage change: -0.01 ⚠️

Comparison is base (f86a6ea) 88.66% compared to head (720c638) 88.66%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1171      +/-   ##
==========================================
- Coverage   88.66%   88.66%   -0.01%     
==========================================
  Files         160      160              
  Lines       22300    22289      -11     
  Branches     3345     3342       -3     
==========================================
- Hits        19773    19762      -11     
  Misses       1989     1989              
  Partials      538      538              

Impacted Files	Coverage Δ
xdsl/dialects/func.py	91.32% <0.00%> (ø)
xdsl/printer.py	96.70% <ø> (-0.06%)	⬇️
xdsl/dialects/builtin.py	83.82% <100.00%> (-0.03%)	⬇️
xdsl/dialects/print.py	91.66% <100.00%> (-0.34%)	⬇️

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.

[math-fehr]

👍