Removed some unnecessary code.
Removed some unnecessary code.

nmrugg/LZMA-JS,zzzhan/LZMA-JS,zzzhan/LZMA-JS,addaleax/LZMA-JS,addaleax/LZMA-JS,zzzhan/LZMA-JS,addaleax/LZMA-JS,nmrugg/LZMA-JS,nmrugg/LZMA-JS