Simplify preprocessing of arguments for DataFrame binops

[vyasr]

This PR simplifies the preprocessing of the rhs of binary operations for DataFrame, streamlining it to a single path that can be more easily combined with that of other types in the future.

[codecov]

Codecov Report

Merging #10563 (c6de1c1) into branch-22.06 (73bc7d7) will increase coverage by 0.03%.
The diff coverage is n/a.

❗ Current head c6de1c1 differs from pull request most recent head 46fd129. Consider uploading reports for the commit 46fd129 to get more accurate results

@@               Coverage Diff                @@
##           branch-22.06   #10563      +/-   ##
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+ Coverage         86.33%   86.37%   +0.03%     
================================================
  Files               140      140              
  Lines             22300    22304       +4     
================================================
+ Hits              19253    19265      +12     
+ Misses             3047     3039       -8     

Impacted Files	Coverage Δ
python/cudf/cudf/testing/testing.py	81.69% <0.00%> (-2.82%)	⬇️
python/cudf/cudf/core/indexed_frame.py	91.77% <0.00%> (-0.87%)	⬇️
python/cudf/cudf/core/single_column_frame.py	96.52% <0.00%> (-0.33%)	⬇️
python/cudf/cudf/core/column/timedelta.py	90.75% <0.00%> (-0.12%)	⬇️
python/cudf/cudf/core/column/struct.py	96.42% <0.00%> (-0.09%)	⬇️
python/cudf/cudf/core/series.py	95.28% <0.00%> (-0.01%)	⬇️
python/cudf/cudf/datasets.py	97.56% <0.00%> (ø)
python/cudf/cudf/utils/ioutils.py	79.60% <0.00%> (ø)
python/cudf/cudf/utils/cudautils.py	59.83% <0.00%> (ø)
python/cudf/cudf/core/column/string.py	89.10% <0.00%> (ø)
... and 19 more

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[galipremsagar]

Most of the PR looks good, I have some minor comments.

[vyasr]

@gpucibot merge