Removing unused imports/update copywright`
Removing unused imports/update copywright`

mazimkhan/mbed-os,mbedmicro/mbed,infinnovation/mbed-os,Archcady/mbed-os,infinnovation/mbed-os,c1728p9/mbed-os,andcor02/mbed-os,Archcady/mbed-os,Archcady/mbed-os,andcor02/mbed-os,karsev/mbed-os,HeadsUpDisplayInc/mbed,HeadsUpDisplayInc/mbed,mazimkhan/mbed-os,HeadsUpDisplayInc/mbed,ryankurte/mbed-os,Archcady/mbed-os,infinnovation/mbed-os,betzw/mbed-os,mbedmicro/mbed,CalSol/mbed,betzw/mbed-os,c1728p9/mbed-os,c1728p9/mbed-os,ryankurte/mbed-os,mbedmicro/mbed,c1728p9/mbed-os,kjbracey-arm/mbed,mazimkhan/mbed-os,andcor02/mbed-os,Archcady/mbed-os,betzw/mbed-os,catiedev/mbed-os,kjbracey-arm/mbed,mazimkhan/mbed-os,CalSol/mbed,infinnovation/mbed-os,andcor02/mbed-os,CalSol/mbed,catiedev/mbed-os,catiedev/mbed-os,andcor02/mbed-os,c1728p9/mbed-os,infinnovation/mbed-os,karsev/mbed-os,CalSol/mbed,mazimkhan/mbed-os,andcor02/mbed-os,betzw/mbed-os,kjbracey-arm/mbed,ryankurte/mbed-os,karsev/mbed-os,karsev/mbed-os,HeadsUpDisplayInc/mbed,HeadsUpDisplayInc/mbed,mbedmicro/mbed,CalSol/mbed,ryankurte/mbed-os,betzw/mbed-os,ryankurte/mbed-os,c1728p9/mbed-os,mbedmicro/mbed,catiedev/mbed-os,karsev/mbed-os,ryankurte/mbed-os,Archcady/mbed-os,karsev/mbed-os,catiedev/mbed-os,infinnovation/mbed-os,HeadsUpDisplayInc/mbed,kjbracey-arm/mbed,betzw/mbed-os,catiedev/mbed-os,CalSol/mbed,mazimkhan/mbed-os