Clean up anaconda repository #472

Job	Run time
Clean up anaconda packages (dppy/dpbench)	1m 1s
Clean up anaconda packages (dppy/dpnp)	1m 1s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	1m 7s
Clean up anaconda packages (dppy/numba-dpex)	1m 11s
Clean up anaconda packages (dppy/numba-mlir)	1m 1s
Clean up anaconda packages (dppy/dpctl)	1m 30s
	6m 51s

Provide feedback