chameleon: remove apparently useless explicit link to the mpi library

CMakeLists.txt

@@ -630,9 +630,6 @@ if (MORSE_DISTRIB_DIR OR EXISTS "${CMAKE_SOURCE_DIR}/cmake_modules/")
                 list(APPEND CMAKE_REQUIRED_INCLUDES "${MPI_C_INCLUDE_PATH}")
                 list(APPEND CMAKE_REQUIRED_FLAGS "${MPI_C_LINK_FLAGS}")
                 list(APPEND CMAKE_REQUIRED_LIBRARIES "${MPI_C_LIBRARIES}")
-                if (NOT CHAMELEON_SIMULATION)
-                    list(APPEND CMAKE_REQUIRED_LIBRARIES "mpi")
-                endif()
             endif()
             if (CHAMELEON_SIMULATION)
                 list(APPEND CMAKE_REQUIRED_FLAGS "-include" "starpu_simgrid_wrap.h")