Clean up anaconda repository #459

Job	Run time
Clean up anaconda packages (dppy/numba-dpex)	1m 0s
Clean up anaconda packages (dppy/dpbench)	58s
Clean up anaconda packages (dppy/dpctl)	44s
Clean up anaconda packages (dppy/dpnp)	49s
Clean up anaconda packages (dppy/numba-mlir)	49s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	1m 8s
	5m 28s

Provide feedback