Clean up anaconda repository #430

Job	Run time
Clean up anaconda packages (dppy/dpbench)	1m 4s
Clean up anaconda packages (dppy/dpctl)	50s
Clean up anaconda packages (dppy/dpcpp-llvm-spirv)	53s
Clean up anaconda packages (dppy/numba-dpex)	47s
Clean up anaconda packages (dppy/numba-mlir)	52s
Clean up anaconda packages (dppy/dpnp)	54s
	5m 20s

Provide feedback