modify FastLapackInterface API

src/backward_linear_rational_expectations.jl

 using LinearAlgebra
 using FastLapackInterface
-using FastLapackInterface.LinSolveAlgo
-using FastLapackInterface.QrAlgo
 using PolynomialMatrixEquations
 #using SolveEyePlusMinusAkronB: EyePlusAtKronBWs, generalized_sylvester_solver!
 
@@ -145,7 +143,7 @@ struct BackwardLinearRationalExpectationsWs
         colsUE = backward_nbr .+ findall(in(backward_indices), forward_indices)
         linsolve_static_ws = LinSolveWs(static_nbr)
         AGplusB = Matrix{Float64}(undef, endogenous_nbr, endogenous_nbr)
-        AGplusB_linsolve_ws = LinSolveAlgo.LinSolveWs(endogenous_nbr)
+        AGplusB_linsolve_ws = LinSolveWs(endogenous_nbr)
         #        if m.serially_correlated_exogenous
         #            eye_plus_at_kron_b_ws = EyePlusAtKronBWs(ma, mb, mc, 1)
         #        else

src/linear_rational_expectations.jl

@@ -324,7 +324,7 @@ function make_lu_AGplusB!(AGplusB::AbstractMatrix{Float64},
     mul!(ws.temp7, A, ws.temp3)
     vAG = view(AGplusB, :, ws.backward_indices)
     vAG .+= ws.temp7
-    LinSolveAlgo.lu!(AGplusB, ws.AGplusB_linsolve_ws)
+    FastLapackInterface.lu!(AGplusB, ws.AGplusB_linsolve_ws)
 end
 
 function solve_for_derivatives_with_respect_to_shocks!(results::LinearRationalExpectationsResults,