Clean up anaconda repository #268

Job	Run time
Clean up anaconda packages (dppy/numba-mlir)	1m 1s
Clean up anaconda packages (dppy/numba-dpex)	1m 4s
Clean up anaconda packages (dppy/dpbench)	1m 16s
Clean up anaconda packages (dppy/dpctl)	1m 11s
Clean up anaconda packages (dppy/dpnp)	1m 7s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	1m 5s
	6m 44s

Provide feedback