Update remakecomposition.md

Author: Vaibhavdixit02

docs/src/tutorials/remakecomposition.md

@@ -12,7 +12,7 @@ Let's look at a 10 dimensional schwefel function in the hypercube $x_i \in [-500
 
 ```@example polyalg
 using Optimization, Random
-import OptimizationBBO, ReverseDiff
+using OptimizationBBO, ReverseDiff
 
 Random.seed!(122333)
 
@@ -51,4 +51,4 @@ res2 = solve(prob, Optimization.LBFGS(), maxiters = 100)
 @show res2.objective
 ```
 
-Yay! We have found the global optimum (this is known to be at $x_i = 420.9687$).
+Yay! We have found the global optimum (this is known to be at $x_i = 420.9687$).