Deduplicate kbts

[Enkidu93]

Fixes #538

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This change is 

[johnml1135]

src/ServiceToolkit/src/SIL.ServiceToolkit/Services/ParallelCorpusPreprocessingService.cs line 105 at r1 (raw file):

                        .AlignRows(targetTermCorpora.ChooseFirst());
                    foreach (
                        ParallelTextRow row in parallelKeyTermsCorpus.DistinctBy(row => row.SourceText + row.TargetText)

Should this be a tuple rather than a concatenated string?

[johnml1135]

Reviewed 2 of 2 files at r1, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @ddaspit and @Enkidu93)

[Enkidu93]

Reviewable status: 1 of 2 files reviewed, 1 unresolved discussion (waiting on @ddaspit and @johnml1135)

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src/ServiceToolkit/src/SIL.ServiceToolkit/Services/ParallelCorpusPreprocessingService.cs line 105 at r1 (raw file):

Previously, johnml1135 (John Lambert) wrote…

Should this be a tuple rather than a concatenated string?

I went ahead and switched it. I'm not sure what's most efficient under the hood.

[johnml1135]

src/ServiceToolkit/src/SIL.ServiceToolkit/Services/ParallelCorpusPreprocessingService.cs line 105 at r1 (raw file):

Previously, Enkidu93 (Eli C. Lowry) wrote…

I went ahead and switched it. I'm not sure what's most efficient under the hood.

It was more about the off chance that there could be a conflict where there would be "hello world " + "day" and "hello " + "world day". Not likely, but the tuple solution appears cleaner to me.

[johnml1135]

Reviewed 1 of 1 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @ddaspit)