Fix example

Author: ufechner7

examples/ram_air_kite.jl

@@ -12,7 +12,6 @@ if ! ("LaTeXStrings" ∈ keys(Pkg.project().dependencies))
 end
 using ControlPlots, LaTeXStrings
 using KiteModels, LinearAlgebra, Statistics
-using KiteModels.SymbolicAWEModels: find_steady_state!
 using KiteUtils: load_log, save_log, log!, Logger
 
 if ! @isdefined SIMPLE