remove theta update, as it will be rebased later

Author: MohamedLaghdafHABIBOULLAH

src/LM_alg.jl

@@ -127,7 +127,7 @@ function LM(
   Jt_Fk = similar(∇fk)
 
   σmax = opnorm(Jk)
-  νInv = (σmax^2 + σk) / θ  # ‖J'J + σₖ I‖ = ‖J‖² + σₖ
+  νInv = (1 + θ) * (σmax^2 + σk)  # ‖J'J + σₖ I‖ = ‖J‖² + σₖ
 
   s = zero(xk)
 
@@ -259,7 +259,7 @@ function LM(
     if ρk < η1 || ρk == Inf
       σk = σk * γ
     end
-    νInv = (σmax^2 + σk) / θ  # ‖J'J + σₖ I‖ = ‖J‖² + σₖ
+    νInv = (1 + θ) * (σmax^2 + σk)  # ‖J'J + σₖ I‖ = ‖J‖² + σₖ
     tired = k ≥ maxIter || elapsed_time > maxTime
   end