Clean up anaconda repository #406

Job	Run time
Clean up anaconda packages (dppy/dpbench)	39s
Clean up anaconda packages (dppy/numba-mlir)	43s
Clean up anaconda packages (dppy/numba-dpex)	33s
Clean up anaconda packages (dppy/dpctl)	44s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	32s
Clean up anaconda packages (dppy/dpnp)	51s
	4m 2s

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