Update src/R2DH.jl remove redundant DNorm

Co-authored-by: Dominique <[email protected]>

Author: MohamedLaghdafHABIBOULLAH

src/R2DH.jl

@@ -256,7 +256,6 @@ function R2DH(
     end
 
     Dkσk .= D.d .+ σk
-    DNorm = norm(D.d, Inf)
     ν = 1 / ((DNorm + σk) * (1 + θ))
 
     tired = maxIter > 0 && k ≥ maxIter