To keep it plain and simple, just like deleting App store programs, just hold down any icon and they all start wiggling (Including the Cydia ones!); just hit the X and voila! 
It's called "CyDelete" and it can be found in the BigBoss Repository
Note- That screenshot is not from my iPhone, so don't ask me what theme it is cause I don't know
It's called "CyDelete" and it can be found in the BigBoss Repository

Note- That screenshot is not from my iPhone, so don't ask me what theme it is cause I don't know