Remove flaky dep

[eddiebergman]

Removes the flaky dependancy as mentioned in #1357. Ran the test several times without issue.

If the issue arises again, a better solution should be found rather than just running the test several times.

• Closes Check if test requirement flaky can be removed #1357

[codecov]

Codecov Report

Merging #1361 (56e8143) into development (7252be6) will increase coverage by 88.02%.
The diff coverage is n/a.

@@               Coverage Diff                @@
##           development    #1361       +/-   ##
================================================
+ Coverage             0   88.02%   +88.02%     
================================================
  Files                0      140      +140     
  Lines                0    10993    +10993     
================================================
+ Hits                 0     9677     +9677     
- Misses               0     1316     +1316     

Impacted Files	Coverage Δ
setup.py	0.00% <ø> (ø)
autosklearn/pipeline/classification.py	86.92% <0.00%> (ø)
...osklearn/metalearning/metafeatures/metafeatures.py	94.59% <0.00%> (ø)
...ata_preprocessing/categorical_encoding/encoding.py	96.55% <0.00%> (ø)
...eature_preprocessing/liblinear_svc_preprocessor.py	98.18% <0.00%> (ø)
autosklearn/pipeline/implementations/util.py	84.37% <0.00%> (ø)
...ne/components/classification/passive_aggressive.py	96.38% <0.00%> (ø)
...osklearn/pipeline/components/classification/lda.py	94.44% <0.00%> (ø)
autosklearn/util/data.py	40.54% <0.00%> (ø)
autosklearn/ensembles/singlebest_ensemble.py	96.29% <0.00%> (ø)
... and 131 more

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