Remove SolverCore unused dependency

Author: tmigot

Project.toml

@@ -6,7 +6,6 @@ version = "0.8.8"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 LinearOperators = "5c8ed15e-5a4c-59e4-a42b-c7e8811fb125"
 NLPModels = "a4795742-8479-5a88-8948-cc11e1c8c1a6"
-SolverCore = "ff4d7338-4cf1-434d-91df-b86cb86fb843"
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 
 [compat]