Remove empty statement

[feiyun0112]

No description provided.

[codecov]

Codecov Report

Merging #5827 (8a38fb9) into main (7c34ab9) will decrease coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #5827      +/-   ##
==========================================
- Coverage   68.37%   68.33%   -0.05%     
==========================================
  Files        1131     1131              
  Lines      241291   241290       -1     
  Branches    25053    25053              
==========================================
- Hits       164993   164874     -119     
- Misses      69806    69915     +109     
- Partials     6492     6501       +9     

Flag	Coverage Δ
Debug	68.33% <100.00%> (-0.05%)	⬇️
production	62.94% <100.00%> (-0.07%)	⬇️
test	89.24% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...rc/Microsoft.ML.Data/Transforms/ColumnSelecting.cs	96.29% <ø> (ø)
src/Microsoft.ML.FastTree/Utils/LinqExtensions.cs	23.21% <ø> (+0.10%)	⬆️
....ML.Data/Scorers/SchemaBindablePredictorWrapper.cs	75.00% <100.00%> (ø)
src/Microsoft.ML.Data/Transforms/Hashing.cs	81.42% <100.00%> (ø)
src/Microsoft.ML.Data/Transforms/KeyToVector.cs	83.91% <100.00%> (ø)
src/Microsoft.ML.Data/Transforms/TypeConverting.cs	80.86% <100.00%> (ø)
...ML.Data/Transforms/ValueToKeyMappingTransformer.cs	78.64% <100.00%> (ø)
...oft.ML.EntryPoints/PermutationFeatureImportance.cs	97.06% <100.00%> (ø)
...rosoft.ML.Featurizers/TimeSeriesImputerDataView.cs	73.00% <100.00%> (ø)
src/Microsoft.ML.LightGbm/LightGbmTrainerBase.cs	79.20% <100.00%> (ø)
... and 23 more

[michaelgsharp]

LGTM