Remove unused let binding - fixes Xcode 7 warning
Remove unused let binding - fixes Xcode 7 warning

jflinter/Dwifft,natestedman/Dwifft,papertigers/Dwifft,benzguo/Dwifft,benzguo/Dwifft,jflinter/Dwifft,natestedman/Dwifft,benzguo/Dwifft,jflinter/Dwifft,natestedman/Dwifft,papertigers/Dwifft