Wow, that was mighty silly of you. Didn't you read the NEVER delete an IOS below 200 warnings? You deleted your system IOS, the worst possible one you could have deleted.
The only way to fix this, to my knowledge, is a NAND backup and a NAND programmer. Such as the infectus modchip. (Check out the thread about it, It is a sticky)
Edit: Thread - - http://www.wiihacks.com/bricked-wii-...t-bootmii.html
Someone feel free to correct me if there is another way.