Clean up anaconda repository #255

Job	Run time
Clean up anaconda packages (dppy/dpctl)	1m 14s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	1m 0s
Clean up anaconda packages (dppy/dpnp)	1m 18s
Clean up anaconda packages (dppy/numba-dpex)	1m 2s
Clean up anaconda packages (dppy/dpbench)	1m 9s
Clean up anaconda packages (dppy/numba-mlir)	1m 0s
	6m 43s

Provide feedback