Remove older tarfiles properly.
Remove older tarfiles properly.

ddcc/binaryen,WebAssembly/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,yurydelendik/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,ddcc/binaryen,ddcc/binaryen,yurydelendik/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,ddcc/binaryen,ddcc/binaryen