Remove libcudacxx patch needed for nvcc 11.4

[robertmaynard]

The libcudacxx.patch was required to fix issues with libcudacxx 1.6 and incorrect detection of the arm nvcc 11.4 compiler.

As we move to libcudacxx 1.7 this patch is not needed, and should be removed.

[codecov]

Codecov Report

Merging #10057 (e843c1d) into branch-22.02 (967a333) will decrease coverage by 0.12%.
The diff coverage is n/a.

❗ Current head e843c1d differs from pull request most recent head 13ee506. Consider uploading reports for the commit 13ee506 to get more accurate results

@@               Coverage Diff                @@
##           branch-22.02   #10057      +/-   ##
================================================
- Coverage         10.49%   10.36%   -0.13%     
================================================
  Files               119      119              
  Lines             20305    20628     +323     
================================================
+ Hits               2130     2139       +9     
- Misses            18175    18489     +314     

Impacted Files	Coverage Δ
python/custreamz/custreamz/kafka.py	29.16% <0.00%> (-0.63%)	⬇️
python/dask_cudf/dask_cudf/sorting.py	92.66% <0.00%> (-0.25%)	⬇️
python/dask_cudf/dask_cudf/core.py	70.85% <0.00%> (-0.17%)	⬇️
python/cudf/cudf/__init__.py	0.00% <0.00%> (ø)
python/cudf/cudf/api/types.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/frame.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/index.py	0.00% <0.00%> (ø)
python/cudf/cudf/io/parquet.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/dtypes.py	0.00% <0.00%> (ø)
python/cudf/cudf/core/scalar.py	0.00% <0.00%> (ø)
... and 36 more

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[robertmaynard]

rerun tests

[galipremsagar]

rerun tests

[vyasr]

rerun tests

[galipremsagar]

rerun tests

[galipremsagar]

rerun tests

[galipremsagar]

@robertmaynard is this good to be merged?

[robertmaynard]

@robertmaynard is this good to be merged?

Yes, just waiting on a green CI

[robertmaynard]

@gpucibot merge