Clean up anaconda repository #278

Job	Run time
Clean up anaconda packages (dppy/numba-mlir)	1m 17s
Clean up anaconda packages (dppy/dpctl)	1m 19s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	1m 3s
Clean up anaconda packages (dppy/dpnp)	1m 7s
Clean up anaconda packages (dppy/numba-dpex)	1m 8s
Clean up anaconda packages (dppy/dpbench)	1m 4s
	6m 58s

Provide feedback