Remove extraneous lines

Author: kshyatt

src/interface/orthnull.jl

@@ -443,7 +443,6 @@ left_orth_alg(alg::LeftOrthAlgorithm) = alg
 left_orth_alg(alg::QRAlgorithms) = LeftOrthViaQR(alg)
 left_orth_alg(alg::PolarAlgorithms) = LeftOrthViaPolar(alg)
 left_orth_alg(alg::SVDAlgorithms) = LeftOrthViaSVD(alg)
-left_orth_alg(alg::DiagonalAlgorithm) = LeftOrthViaSVD(alg)
 left_orth_alg(alg::TruncatedAlgorithm{<:SVDAlgorithms}) = LeftOrthViaSVD(alg)
 
 """
@@ -479,7 +478,6 @@ right_orth_alg(alg::RightOrthAlgorithm) = alg
 right_orth_alg(alg::LQAlgorithms) = RightOrthViaLQ(alg)
 right_orth_alg(alg::PolarAlgorithms) = RightOrthViaPolar(alg)
 right_orth_alg(alg::SVDAlgorithms) = RightOrthViaSVD(alg)
-right_orth_alg(alg::DiagonalAlgorithm) = RightOrthViaSVD(alg)
 right_orth_alg(alg::TruncatedAlgorithm{<:SVDAlgorithms}) = RightOrthViaSVD(alg)
 
 """