fix: update VisCPU simulator wrapper to match vis_cpu v1

[steven-murray]

The use_pixel_beams and bm_pix options are no longer available. use_pixel_beam is always effectively False. This has been deprecated already for a while.

One upshot of this is that some of the beam tests no longer work -- some of them were comparing a pixel beam sim to a non-pixel-beam sim. I don't think this was a particularly good strategy for testing the beams anyway, and I've removed the code. But we should probably come up with something to replace those kinds of tests.

[codecov[bot]]

Codecov Report

Merging #233 (27ea32d) into main (fda05d9) will increase coverage by 0.00%. The diff coverage is 98.30%.

@@           Coverage Diff           @@
##             main     #233   +/-   ##
=======================================
  Coverage   96.56%   96.56%           
=======================================
  Files          24       24           
  Lines        2849     2822   -27     
=======================================
- Hits         2751     2725   -26     
+ Misses         98       97    -1     

Impacted Files	Coverage Δ
hera_sim/antpos.py	100.00% <ø> (ø)
hera_sim/visibilities/simulators.py	85.46% <94.44%> (-1.81%)	:arrow_down:
hera_sim/visibilities/vis_cpu.py	92.90% <96.55%> (-0.93%)	:arrow_down:
hera_sim/__init__.py	100.00% <100.00%> (+6.45%)	:arrow_up:
hera_sim/__yaml_constructors.py	94.59% <100.00%> (-0.15%)	:arrow_down:
hera_sim/adjustment.py	99.23% <100.00%> (ø)
hera_sim/beams.py	98.22% <100.00%> (ø)
hera_sim/cli_utils.py	98.78% <100.00%> (ø)
hera_sim/components.py	91.83% <100.00%> (-0.09%)	:arrow_down:
hera_sim/defaults.py	95.53% <100.00%> (ø)
... and 19 more

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[steven-murray]

Thanks @r-pascua! Good call on all the commented code -- I've removed it.

And yeah, sorry about the isort thing. That was a brain fart.