Remove deprecated qp solvers

Author: earlaud

bindings/CMakeLists.txt

@@ -9,7 +9,6 @@ set(
   expose-robot-handler.cpp
   expose-problem.cpp
   expose-mpc.cpp
-  expose-qp.cpp
   expose-interpolate.cpp
   expose-centroidal.cpp
   expose-fulldynamics.cpp