Clean up anaconda repository #233

Job	Run time
Clean up anaconda packages (dppy/dpctl)	2m 19s
Clean up anaconda packages (dppy/dpbench)	4m 9s
Clean up anaconda packages (dppy/numba-mlir)	2m 54s
Clean up anaconda packages (dppy/dpnp)	1m 59s
Clean up anaconda packages (dppy/numba-dpex)	4m 8s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	1m 16s
	16m 45s

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