Remove useless imports and trait
Remove useless imports and trait

Removed an import thats no longer needed, and the flashable trait
since its never used.

GrUSP/opencfp,localheinz/opencfp,PHPBenelux/opencfp,localheinz/opencfp,GrUSP/opencfp,localheinz/opencfp,mdwheele/opencfp,mdwheele/opencfp,mdwheele/opencfp,GrUSP/opencfp,opencfp/opencfp,opencfp/opencfp,localheinz/opencfp,GrUSP/opencfp,PHPBenelux/opencfp,PHPBenelux/opencfp,opencfp/opencfp,mdwheele/opencfp,PHPBenelux/opencfp