Clean up anaconda repository #225

Job	Run time
Clean up anaconda packages (dppy/dpnp)	1m 10s
Clean up anaconda packages (dppy/numba-dpex)	56s
Clean up anaconda packages (dppy/dpctl)	59s
Clean up anaconda packages (dppy/dpbench)	59s
Clean up anaconda packages (dppy/numba-mlir)	1m 4s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	1m 30s
	6m 38s

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