Clean up anaconda repository #411

Job	Run time
Clean up anaconda packages (dppy/dpnp)	49s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	1m 0s
Clean up anaconda packages (dppy/dpctl)	56s
Clean up anaconda packages (dppy/dpbench)	33s
Clean up anaconda packages (dppy/numba-dpex)	46s
Clean up anaconda packages (dppy/numba-mlir)	44s
	4m 48s

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