Remove unused CSystemClassConfiguration forward declaration
Remove unused CSystemClassConfiguration forward declaration

Signed-off-by: Jules Clero <2deac8eb6d4468174a95d7398a201f3232180ec0@intel.com>

mgaio/parameter-framework,sdnnfv/parameter-framework,clero/parameter-framework,dawagner/parameter-framework,wzairix/parameter-framework,wzairix/parameter-framework,clero/parameter-framework,miguelgaio/parameter-framework,dawagner/parameter-framework,miguelgaio/parameter-framework,clero/parameter-framework,01org/parameter-framework,01org/parameter-framework,krocard/parameter-framework,soaresm/parameter-framework,sdnnfv/parameter-framework,miguelgaio/parameter-framework,sdnnfv/parameter-framework,01org/parameter-framework,krocard/parameter-framework,soaresm/parameter-framework,wzairix/parameter-framework,soaresm/parameter-framework,mgaio/parameter-framework,mgaio/parameter-framework,dawagner/parameter-framework,krocard/parameter-framework