removed: useless methods

Author: franckgaga

src/estimator/execute.jl

@@ -108,19 +108,6 @@ function f̂!(x̂0next, û0, k, model::SimModel, As, Cs_u, f̂op, x̂op, x̂0,
     return nothing
 end
 
-#TODO: delete the following generic functions and replace with linear eq. constraints
-
-"""
-    fs!(x̂0next, estim::StateEstimator, model::SimModel, x̂0) -> nothing
-
-State update function of the stochastic model only.
-"""
-function fs!(x̂0next, estim::StateEstimator, model::SimModel, x̂0)
-    xs, xsnext = @views x̂0[model.nx+1:end], x̂0next[model.nx+1:end]
-    mul!(xsnext, estim.As, xs)
-    return nothing
-end
-
 @doc raw"""
     ĥ!(ŷ0, estim::StateEstimator, model::SimModel, x̂0, d0) -> nothing
 

src/estimator/internal_model.jl

@@ -180,15 +180,6 @@ function f̂!(x̂0next, _ , k, estim::InternalModel, model::NonLinModel, x̂0, u
     return nothing
 end
 
-#TODO: delete the following 2 generic functions and replace with linear eq. constraints. 
-
-"""
-    fs!(x̂0next, estim::InternalModel, model::SimModel, _ ) -> nothing
-
-Does nothing since [`InternalModel`](@ref) does not augment the state vector.
-"""
-fs!( _ , ::InternalModel, ::SimModel, _ ) = nothing
-
 @doc raw"""
     ĥ!(ŷ0, estim::InternalModel, model::NonLinModel, x̂0, d0)